| 1 | ## oils_failures_allowed: 1
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| 2 | ## compare_shells: bash mksh zsh ash
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| 3 |
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| 4 | #### read line from here doc
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| 5 |
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| 6 | # NOTE: there are TABS below
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| 7 | read x <<EOF
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| 8 | A B C D E
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| 9 | FG
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| 10 | EOF
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| 11 | echo "[$x]"
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| 12 | ## stdout: [A B C D E]
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| 13 | ## status: 0
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| 14 |
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| 15 | #### read from empty file
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| 16 | echo -n '' > $TMP/empty.txt
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| 17 | read x < $TMP/empty.txt
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| 18 | argv.py "status=$?" "$x"
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| 19 |
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| 20 | # No variable name, behaves the same
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| 21 | read < $TMP/empty.txt
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| 22 | argv.py "status=$?" "$REPLY"
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| 23 |
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| 24 | ## STDOUT:
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| 25 | ['status=1', '']
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| 26 | ['status=1', '']
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| 27 | ## END
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| 28 | ## OK dash STDOUT:
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| 29 | ['status=1', '']
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| 30 | ['status=2', '']
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| 31 | ## END
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| 32 | ## status: 0
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| 33 |
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| 34 | #### read /dev/null
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| 35 | read -n 1 </dev/null
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| 36 | echo $?
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| 37 | ## STDOUT:
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| 38 | 1
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| 39 | ## END
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| 40 | ## OK dash stdout: 2
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| 41 |
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| 42 | #### read with zero args
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| 43 | echo | read
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| 44 | echo status=$?
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| 45 | ## STDOUT:
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| 46 | status=0
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| 47 | ## END
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| 48 | ## BUG dash STDOUT:
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| 49 | status=2
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| 50 | ## END
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| 51 |
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| 52 | #### read builtin with no newline returns status 1
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| 53 |
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| 54 | # This is odd because the variable is populated successfully. OSH/YSH might
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| 55 | # need a separate put reading feature that doesn't use IFS.
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| 56 |
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| 57 | echo -n ZZZ | { read x; echo status=$?; echo $x; }
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| 58 |
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| 59 | ## STDOUT:
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| 60 | status=1
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| 61 | ZZZ
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| 62 | ## END
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| 63 | ## status: 0
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| 64 |
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| 65 | #### read builtin splits value across multiple vars
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| 66 | # NOTE: there are TABS below
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| 67 | read x y z <<EOF
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| 68 | A B C D E
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| 69 | FG
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| 70 | EOF
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| 71 | echo "[$x/$y/$z]"
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| 72 | ## stdout: [A/B/C D E]
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| 73 | ## status: 0
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| 74 |
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| 75 | #### read builtin with too few variables
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| 76 | set -o errexit
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| 77 | set -o nounset # hm this doesn't change it
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| 78 | read x y z <<EOF
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| 79 | A B
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| 80 | EOF
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| 81 | echo /$x/$y/$z/
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| 82 | ## stdout: /A/B//
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| 83 | ## status: 0
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| 84 |
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| 85 | #### read -n (with $REPLY)
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| 86 | echo 12345 > $TMP/readn.txt
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| 87 | read -n 4 x < $TMP/readn.txt
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| 88 | read -n 2 < $TMP/readn.txt # Do it again with no variable
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| 89 | argv.py $x $REPLY
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| 90 | ## stdout: ['1234', '12']
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| 91 | ## N-I dash/zsh stdout: []
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| 92 |
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| 93 | #### IFS= read -n (OSH regression: value saved in tempenv)
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| 94 | echo XYZ > "$TMP/readn.txt"
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| 95 | IFS= TMOUT= read -n 1 char < "$TMP/readn.txt"
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| 96 | argv.py "$char"
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| 97 | ## stdout: ['X']
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| 98 | ## N-I dash/zsh stdout: ['']
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| 99 |
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| 100 | #### read -n doesn't strip whitespace (bug fix)
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| 101 | case $SH in dash|zsh) exit ;; esac
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| 102 |
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| 103 | echo ' a b ' | (read -n 4; echo "[$REPLY]")
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| 104 | echo ' a b ' | (read -n 5; echo "[$REPLY]")
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| 105 | echo ' a b ' | (read -n 6; echo "[$REPLY]")
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| 106 | echo
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| 107 |
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| 108 | echo 'one var strips whitespace'
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| 109 | echo ' a b ' | (read -n 4 myvar; echo "[$myvar]")
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| 110 | echo ' a b ' | (read -n 5 myvar; echo "[$myvar]")
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| 111 | echo ' a b ' | (read -n 6 myvar; echo "[$myvar]")
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| 112 | echo
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| 113 |
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| 114 | echo 'three vars'
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| 115 | echo ' a b ' | (read -n 4 x y z; echo "[$x] [$y] [$z]")
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| 116 | echo ' a b ' | (read -n 5 x y z; echo "[$x] [$y] [$z]")
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| 117 | echo ' a b ' | (read -n 6 x y z; echo "[$x] [$y] [$z]")
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| 118 |
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| 119 | ## STDOUT:
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| 120 | [ a ]
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| 121 | [ a b]
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| 122 | [ a b ]
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| 123 |
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| 124 | one var strips whitespace
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| 125 | [a]
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| 126 | [a b]
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| 127 | [a b]
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| 128 |
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| 129 | three vars
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| 130 | [a] [] []
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| 131 | [a] [b] []
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| 132 | [a] [b] []
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| 133 | ## END
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| 134 |
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| 135 | ## N-I dash/zsh STDOUT:
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| 136 | ## END
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| 137 |
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| 138 | ## BUG mksh STDOUT:
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| 139 | [a]
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| 140 | [a b]
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| 141 | [a b]
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| 142 |
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| 143 | one var strips whitespace
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| 144 | [a]
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| 145 | [a b]
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| 146 | [a b]
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| 147 |
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| 148 | three vars
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| 149 | [a] [] []
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| 150 | [a] [b] []
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| 151 | [a] [b] []
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| 152 | ## END
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| 153 |
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| 154 | #### read -d -n - respects delimiter and splits
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| 155 |
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| 156 | case $SH in dash|zsh|ash) exit ;; esac
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| 157 |
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| 158 | echo 'delim c'
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| 159 | echo ' a b c ' | (read -d 'c' -n 3; echo "[$REPLY]")
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| 160 | echo ' a b c ' | (read -d 'c' -n 4; echo "[$REPLY]")
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| 161 | echo ' a b c ' | (read -d 'c' -n 5; echo "[$REPLY]")
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| 162 | echo
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| 163 |
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| 164 | echo 'one var'
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| 165 | echo ' a b c ' | (read -d 'c' -n 3 myvar; echo "[$myvar]")
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| 166 | echo ' a b c ' | (read -d 'c' -n 4 myvar; echo "[$myvar]")
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| 167 | echo ' a b c ' | (read -d 'c' -n 5 myvar; echo "[$myvar]")
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| 168 | echo
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| 169 |
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| 170 | echo 'three vars'
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| 171 | echo ' a b c ' | (read -d 'c' -n 3 x y z; echo "[$x] [$y] [$z]")
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| 172 | echo ' a b c ' | (read -d 'c' -n 4 x y z; echo "[$x] [$y] [$z]")
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| 173 | echo ' a b c ' | (read -d 'c' -n 5 x y z; echo "[$x] [$y] [$z]")
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| 174 |
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| 175 | ## STDOUT:
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| 176 | delim c
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| 177 | [ a]
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| 178 | [ a ]
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| 179 | [ a b]
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| 180 |
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| 181 | one var
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| 182 | [a]
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| 183 | [a]
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| 184 | [a b]
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| 185 |
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| 186 | three vars
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| 187 | [a] [] []
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| 188 | [a] [] []
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| 189 | [a] [b] []
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| 190 | ## END
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| 191 |
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| 192 | ## N-I dash/zsh/ash STDOUT:
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| 193 | ## END
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| 194 |
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| 195 | ## BUG mksh STDOUT:
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| 196 | delim c
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| 197 | [a]
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| 198 | [a]
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| 199 | [a b]
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| 200 |
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| 201 | one var
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| 202 | [a]
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| 203 | [a]
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| 204 | [a b]
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| 205 |
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| 206 | three vars
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| 207 | [a] [] []
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| 208 | [a] [] []
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| 209 | [a] [b] []
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| 210 | ## END
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| 211 |
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| 212 |
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| 213 | #### read -n with invalid arg
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| 214 | read -n not_a_number
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| 215 | echo status=$?
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| 216 | ## stdout: status=2
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| 217 | ## OK bash stdout: status=1
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| 218 | ## N-I zsh stdout-json: ""
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| 219 |
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| 220 | #### read -n from pipe
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| 221 | case $SH in dash|ash|zsh) exit ;; esac
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| 222 |
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| 223 | echo abcxyz | { read -n 3; echo reply=$REPLY; }
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| 224 | ## status: 0
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| 225 | ## stdout: reply=abc
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| 226 | ## N-I dash/ash stdout-json: ""
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| 227 |
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| 228 | # zsh appears to hang with -k
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| 229 | ## N-I zsh stdout-json: ""
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| 230 |
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| 231 | #### read without args uses $REPLY, no splitting occurs (without -n)
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| 232 |
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| 233 | # mksh and zsh implement splitting with $REPLY, bash/ash don't
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| 234 |
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| 235 | echo ' a b ' | (read; echo "[$REPLY]")
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| 236 | echo ' a b ' | (read myvar; echo "[$myvar]")
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| 237 |
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| 238 | echo ' a b \
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| 239 | line2' | (read; echo "[$REPLY]")
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| 240 | echo ' a b \
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| 241 | line2' | (read myvar; echo "[$myvar]")
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| 242 |
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| 243 | # Now test with -r
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| 244 | echo ' a b \
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| 245 | line2' | (read -r; echo "[$REPLY]")
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| 246 | echo ' a b \
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| 247 | line2' | (read -r myvar; echo "[$myvar]")
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| 248 |
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| 249 | ## STDOUT:
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| 250 | [ a b ]
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| 251 | [a b]
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| 252 | [ a b line2]
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| 253 | [a b line2]
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| 254 | [ a b \]
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| 255 | [a b \]
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| 256 | ## END
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| 257 | ## BUG mksh/zsh STDOUT:
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| 258 | [a b]
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| 259 | [a b]
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| 260 | [a b line2]
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| 261 | [a b line2]
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| 262 | [a b \]
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| 263 | [a b \]
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| 264 | ## END
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| 265 | ## BUG dash STDOUT:
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| 266 | []
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| 267 | [a b ]
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| 268 | []
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| 269 | [a b line2]
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| 270 | []
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| 271 | [a b \]
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| 272 | ## END
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| 273 |
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| 274 | #### read -n vs. -N
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| 275 | # dash, ash and zsh do not implement read -N
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| 276 | # mksh treats -N exactly the same as -n
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| 277 | case $SH in dash|ash|zsh) exit ;; esac
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| 278 |
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| 279 | # bash docs: https://www.gnu.org/software/bash/manual/html_node/Bash-Builtins.html
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| 280 |
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| 281 | echo 'a b c' > $TMP/readn.txt
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| 282 |
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| 283 | echo 'read -n'
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| 284 | read -n 5 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
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| 285 | read -n 4 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
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| 286 | echo
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| 287 |
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| 288 | echo 'read -N'
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| 289 | read -N 5 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
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| 290 | read -N 4 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
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| 291 | ## STDOUT:
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| 292 | read -n
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| 293 | 'a' 'b' 'c'
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| 294 | 'a' 'b' ''
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| 295 |
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| 296 | read -N
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| 297 | 'a b c' '' ''
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| 298 | 'a b ' '' ''
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| 299 | ## END
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| 300 | ## N-I dash/ash/zsh stdout-json: ""
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| 301 | ## BUG mksh STDOUT:
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| 302 | read -n
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| 303 | 'a' 'b' 'c'
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| 304 | 'a' 'b' ''
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| 305 |
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| 306 | read -N
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| 307 | 'a' 'b' 'c'
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| 308 | 'a' 'b' ''
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| 309 | ## END
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| 310 |
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| 311 | #### read -N ignores delimiters
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| 312 | case $SH in dash|ash|zsh) exit ;; esac
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| 313 |
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| 314 | echo $'a\nb\nc' > $TMP/read-lines.txt
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| 315 |
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| 316 | read -N 3 out < $TMP/read-lines.txt
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| 317 | echo "$out"
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| 318 | ## STDOUT:
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| 319 | a
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| 320 | b
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| 321 | ## END
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| 322 | ## N-I dash/ash/zsh stdout-json: ""
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| 323 |
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| 324 | #### read will unset extranous vars
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| 325 |
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| 326 | echo 'a b' > $TMP/read-few.txt
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| 327 |
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| 328 | c='some value'
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| 329 | read a b c < $TMP/read-few.txt
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| 330 | echo "'$a' '$b' '$c'"
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| 331 |
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| 332 | case $SH in dash) exit ;; esac # dash does not implement -n
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| 333 |
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| 334 | c='some value'
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| 335 | read -n 3 a b c < $TMP/read-few.txt
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| 336 | echo "'$a' '$b' '$c'"
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| 337 | ## STDOUT:
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| 338 | 'a' 'b' ''
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| 339 | 'a' 'b' ''
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| 340 | ## END
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| 341 | ## N-I dash STDOUT:
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| 342 | 'a' 'b' ''
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| 343 | ## END
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| 344 | ## BUG zsh STDOUT:
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| 345 | 'a' 'b' ''
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| 346 | 'b' '' ''
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| 347 | ## END
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| 348 |
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| 349 | #### read -r ignores backslashes
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| 350 | echo 'one\ two' > $TMP/readr.txt
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| 351 | read escaped < $TMP/readr.txt
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| 352 | read -r raw < $TMP/readr.txt
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| 353 | argv.py "$escaped" "$raw"
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| 354 | ## stdout: ['one two', 'one\\ two']
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| 355 |
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| 356 | #### read -r with other backslash escapes
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| 357 | echo 'one\ two\x65three' > $TMP/readr.txt
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| 358 | read escaped < $TMP/readr.txt
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| 359 | read -r raw < $TMP/readr.txt
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| 360 | argv.py "$escaped" "$raw"
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| 361 | # mksh respects the hex escapes here, but other shells don't!
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| 362 | ## stdout: ['one twox65three', 'one\\ two\\x65three']
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| 363 | ## BUG mksh/zsh stdout: ['one twoethree', 'one\\ twoethree']
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| 364 |
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| 365 | #### read with line continuation reads multiple physical lines
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| 366 | # NOTE: osh failing because of file descriptor issue. stdin has to be closed!
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| 367 | tmp=$TMP/$(basename $SH)-readr.txt
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| 368 | echo -e 'one\\\ntwo\n' > $tmp
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| 369 | read escaped < $tmp
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| 370 | read -r raw < $tmp
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| 371 | argv.py "$escaped" "$raw"
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| 372 | ## stdout: ['onetwo', 'one\\']
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| 373 | ## N-I dash stdout: ['-e onetwo', '-e one\\']
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| 374 |
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| 375 | #### read multiple vars spanning many lines
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| 376 | read x y << 'EOF'
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| 377 | one-\
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| 378 | two three-\
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| 379 | four five-\
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| 380 | six
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| 381 | EOF
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| 382 | argv.py "$x" "$y" "$z"
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| 383 | ## stdout: ['one-two', 'three-four five-six', '']
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| 384 |
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| 385 | #### read -r with \n
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| 386 | echo '\nline' > $TMP/readr.txt
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| 387 | read escaped < $TMP/readr.txt
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| 388 | read -r raw < $TMP/readr.txt
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| 389 | argv.py "$escaped" "$raw"
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| 390 | # dash/mksh/zsh are bugs because at least the raw mode should let you read a
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| 391 | # literal \n.
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| 392 | ## stdout: ['nline', '\\nline']
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| 393 | ## BUG dash/mksh/zsh stdout: ['', '']
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| 394 |
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| 395 | #### read -s from pipe, not a terminal
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| 396 | case $SH in dash|zsh) exit ;; esac
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| 397 |
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| 398 | # It's hard to really test this because it requires a terminal. We hit a
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| 399 | # different code path when reading through a pipe. There can be bugs there
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| 400 | # too!
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| 401 |
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| 402 | echo foo | { read -s; echo $REPLY; }
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| 403 | echo bar | { read -n 2 -s; echo $REPLY; }
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| 404 |
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| 405 | # Hm no exit 1 here? Weird
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| 406 | echo b | { read -n 2 -s; echo $?; echo $REPLY; }
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| 407 | ## STDOUT:
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| 408 | foo
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| 409 | ba
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| 410 | 0
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| 411 | b
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| 412 | ## END
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| 413 | ## N-I dash/zsh stdout-json: ""
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| 414 |
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| 415 | #### read with IFS=$'\n'
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| 416 | # The leading spaces are stripped if they appear in IFS.
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| 417 | IFS=$(echo -e '\n')
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| 418 | read var <<EOF
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| 419 | a b c
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| 420 | d e f
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| 421 | EOF
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| 422 | echo "[$var]"
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| 423 | ## stdout: [ a b c]
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| 424 | ## N-I dash stdout: [a b c]
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| 425 |
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| 426 | #### read multiple lines with IFS=:
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| 427 | # The leading spaces are stripped if they appear in IFS.
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| 428 | # IFS chars are escaped with :.
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| 429 | tmp=$TMP/$(basename $SH)-read-ifs.txt
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| 430 | IFS=:
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| 431 | cat >$tmp <<'EOF'
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| 432 | \\a :b\: c:d\
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| 433 | e
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| 434 | EOF
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| 435 | read a b c d < $tmp
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| 436 | # Use printf because echo in dash/mksh interprets escapes, while it doesn't in
|
| 437 | # bash.
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| 438 | printf "%s\n" "[$a|$b|$c|$d]"
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| 439 | ## stdout: [ \a |b: c|d e|]
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| 440 |
|
| 441 | #### read with IFS=''
|
| 442 | IFS=''
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| 443 | read x y <<EOF
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| 444 | a b c d
|
| 445 | EOF
|
| 446 | echo "[$x|$y]"
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| 447 | ## stdout: [ a b c d|]
|
| 448 |
|
| 449 | #### read does not respect C backslash escapes
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| 450 |
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| 451 | # bash doesn't respect these, but other shells do. Gah! I think bash
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| 452 | # behavior makes more sense. It only escapes IFS.
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| 453 | echo '\a \b \c \d \e \f \g \h \x65 \145 \i' > $TMP/read-c.txt
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| 454 | read line < $TMP/read-c.txt
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| 455 | echo $line
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| 456 | ## STDOUT:
|
| 457 | a b c d e f g h x65 145 i
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| 458 | ## END
|
| 459 | ## BUG ash STDOUT:
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| 460 | abcdefghx65 145 i
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| 461 | ## END
|
| 462 | ## BUG dash/zsh stdout-json: "\u0007 \u0008\n"
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| 463 | ## BUG mksh stdout-json: "\u0007 \u0008 d \u001b \u000c g h e 145 i\n"
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| 464 |
|
| 465 | #### dynamic scope used to set vars
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| 466 | f() {
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| 467 | read head << EOF
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| 468 | ref: refs/heads/dev/andy
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| 469 | EOF
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| 470 | }
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| 471 | f
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| 472 | echo $head
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| 473 | ## STDOUT:
|
| 474 | ref: refs/heads/dev/andy
|
| 475 | ## END
|
| 476 |
|
| 477 | #### read -a reads into array
|
| 478 |
|
| 479 | # read -a is used in bash-completion
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| 480 | # none of these shells implement it
|
| 481 | case $SH in
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| 482 | *mksh|*dash|*zsh|*/ash)
|
| 483 | exit 2;
|
| 484 | ;;
|
| 485 | esac
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| 486 |
|
| 487 | read -a myarray <<'EOF'
|
| 488 | a b c\ d
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| 489 | EOF
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| 490 | argv.py "${myarray[@]}"
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| 491 |
|
| 492 | # arguments are ignored here
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| 493 | read -r -a array2 extra arguments <<'EOF'
|
| 494 | a b c\ d
|
| 495 | EOF
|
| 496 | argv.py "${array2[@]}"
|
| 497 | argv.py "${extra[@]}"
|
| 498 | argv.py "${arguments[@]}"
|
| 499 | ## status: 0
|
| 500 | ## STDOUT:
|
| 501 | ['a', 'b', 'c d']
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| 502 | ['a', 'b', 'c\\', 'd']
|
| 503 | []
|
| 504 | []
|
| 505 | ## END
|
| 506 | ## N-I dash/mksh/zsh/ash status: 2
|
| 507 | ## N-I dash/mksh/zsh/ash stdout-json: ""
|
| 508 |
|
| 509 | #### read -d : (colon-separated records)
|
| 510 | printf a,b,c:d,e,f:g,h,i | {
|
| 511 | IFS=,
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| 512 | read -d : v1
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| 513 | echo "v1=$v1"
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| 514 | read -d : v1 v2
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| 515 | echo "v1=$v1 v2=$v2"
|
| 516 | read -d : v1 v2 v3
|
| 517 | echo "v1=$v1 v2=$v2 v3=$v3"
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| 518 | }
|
| 519 | ## STDOUT:
|
| 520 | v1=a,b,c
|
| 521 | v1=d v2=e,f
|
| 522 | v1=g v2=h v3=i
|
| 523 | ## END
|
| 524 | ## N-I dash STDOUT:
|
| 525 | v1=
|
| 526 | v1= v2=
|
| 527 | v1= v2= v3=
|
| 528 | ## END
|
| 529 |
|
| 530 | #### read -d '' (null-separated records)
|
| 531 | printf 'a,b,c\0d,e,f\0g,h,i' | {
|
| 532 | IFS=,
|
| 533 | read -d '' v1
|
| 534 | echo "v1=$v1"
|
| 535 | read -d '' v1 v2
|
| 536 | echo "v1=$v1 v2=$v2"
|
| 537 | read -d '' v1 v2 v3
|
| 538 | echo "v1=$v1 v2=$v2 v3=$v3"
|
| 539 | }
|
| 540 | ## STDOUT:
|
| 541 | v1=a,b,c
|
| 542 | v1=d v2=e,f
|
| 543 | v1=g v2=h v3=i
|
| 544 | ## END
|
| 545 | ## N-I dash STDOUT:
|
| 546 | v1=
|
| 547 | v1= v2=
|
| 548 | v1= v2= v3=
|
| 549 | ## END
|
| 550 |
|
| 551 | #### read -rd
|
| 552 | read -rd '' var <<EOF
|
| 553 | foo
|
| 554 | bar
|
| 555 | EOF
|
| 556 | echo "$var"
|
| 557 | ## STDOUT:
|
| 558 | foo
|
| 559 | bar
|
| 560 | ## END
|
| 561 | ## N-I dash STDOUT:
|
| 562 |
|
| 563 | ## END
|
| 564 |
|
| 565 | #### read -d when there's no delimiter
|
| 566 | { read -d : part
|
| 567 | echo $part $?
|
| 568 | read -d : part
|
| 569 | echo $part $?
|
| 570 | } <<EOF
|
| 571 | foo:bar
|
| 572 | EOF
|
| 573 | ## STDOUT:
|
| 574 | foo 0
|
| 575 | bar 1
|
| 576 | ## END
|
| 577 | ## N-I dash STDOUT:
|
| 578 | 2
|
| 579 | 2
|
| 580 | ## END
|
| 581 |
|
| 582 | #### read -t 0 tests if input is available
|
| 583 | case $SH in dash|zsh|mksh) exit ;; esac
|
| 584 |
|
| 585 | # is there input available?
|
| 586 | read -t 0 < /dev/null
|
| 587 | echo $?
|
| 588 |
|
| 589 | # floating point
|
| 590 | read -t 0.0 < /dev/null
|
| 591 | echo $?
|
| 592 |
|
| 593 | # floating point
|
| 594 | echo foo | { read -t 0; echo reply=$REPLY; }
|
| 595 | echo $?
|
| 596 |
|
| 597 | ## STDOUT:
|
| 598 | 0
|
| 599 | 0
|
| 600 | reply=
|
| 601 | 0
|
| 602 | ## END
|
| 603 | ## N-I dash/zsh/mksh stdout-json: ""
|
| 604 |
|
| 605 | #### read -t 0.5
|
| 606 | case $SH in dash) exit ;; esac
|
| 607 |
|
| 608 | read -t 0.5 < /dev/null
|
| 609 | echo $?
|
| 610 |
|
| 611 | ## STDOUT:
|
| 612 | 1
|
| 613 | ## END
|
| 614 | ## BUG zsh/mksh STDOUT:
|
| 615 | 1
|
| 616 | ## END
|
| 617 | ## N-I dash stdout-json: ""
|
| 618 |
|
| 619 | #### read -t -0.5 is invalid
|
| 620 | # bash appears to just take the absolute value?
|
| 621 |
|
| 622 | read -t -0.5 < /dev/null
|
| 623 | echo $?
|
| 624 |
|
| 625 | ## STDOUT:
|
| 626 | 2
|
| 627 | ## END
|
| 628 | ## BUG bash STDOUT:
|
| 629 | 1
|
| 630 | ## END
|
| 631 | ## BUG zsh stdout-json: ""
|
| 632 | ## BUG zsh status: 1
|
| 633 |
|
| 634 | #### read -u
|
| 635 | case $SH in dash|mksh) exit ;; esac
|
| 636 |
|
| 637 | # file descriptor
|
| 638 | read -u 3 3<<EOF
|
| 639 | hi
|
| 640 | EOF
|
| 641 | echo reply=$REPLY
|
| 642 | ## STDOUT:
|
| 643 | reply=hi
|
| 644 | ## END
|
| 645 | ## N-I dash/mksh stdout-json: ""
|
| 646 |
|
| 647 | #### read -u syntax error
|
| 648 | read -u -3
|
| 649 | echo status=$?
|
| 650 | ## STDOUT:
|
| 651 | status=2
|
| 652 | ## END
|
| 653 | ## OK bash/zsh STDOUT:
|
| 654 | status=1
|
| 655 | ## END
|
| 656 |
|
| 657 | #### read -u -s
|
| 658 | case $SH in dash|mksh) exit ;; esac
|
| 659 |
|
| 660 | # file descriptor
|
| 661 | read -s -u 3 3<<EOF
|
| 662 | hi
|
| 663 | EOF
|
| 664 | echo reply=$REPLY
|
| 665 | ## STDOUT:
|
| 666 | reply=hi
|
| 667 | ## END
|
| 668 | ## N-I dash/mksh stdout-json: ""
|
| 669 |
|
| 670 | #### read -u 3 -d 5
|
| 671 | case $SH in dash|mksh) exit ;; esac
|
| 672 |
|
| 673 | # file descriptor
|
| 674 | read -u 3 -d 5 3<<EOF
|
| 675 | 123456789
|
| 676 | EOF
|
| 677 | echo reply=$REPLY
|
| 678 | ## STDOUT:
|
| 679 | reply=1234
|
| 680 | ## END
|
| 681 | ## N-I dash/mksh stdout-json: ""
|
| 682 |
|
| 683 | #### read -u 3 -d b -N 6
|
| 684 | case $SH in ash|zsh) exit ;; esac
|
| 685 |
|
| 686 | # file descriptor
|
| 687 | read -u 3 -d b -N 4 3<<EOF
|
| 688 | ababababa
|
| 689 | EOF
|
| 690 | echo reply=$REPLY
|
| 691 | # test end on EOF
|
| 692 | read -u 3 -d b -N 6 3<<EOF
|
| 693 | ab
|
| 694 | EOF
|
| 695 | echo reply=$REPLY
|
| 696 | ## STDOUT:
|
| 697 | reply=abab
|
| 698 | reply=ab
|
| 699 | ## END
|
| 700 | ## N-I ash/zsh stdout-json: ""
|
| 701 | ## BUG mksh stdout-json: ""
|
| 702 | ## BUG mksh status: 2
|
| 703 |
|
| 704 |
|
| 705 | #### read -N doesn't respect delimiter, while read -n does
|
| 706 | case $SH in dash|zsh|ash) exit ;; esac
|
| 707 |
|
| 708 | echo foobar | { read -n 5 -d b; echo $REPLY; }
|
| 709 | echo foobar | { read -N 5 -d b; echo $REPLY; }
|
| 710 | ## STDOUT:
|
| 711 | foo
|
| 712 | fooba
|
| 713 | ## END
|
| 714 | ## OK mksh STDOUT:
|
| 715 | fooba
|
| 716 | fooba
|
| 717 | ## END
|
| 718 | ## N-I dash/zsh/ash stdout-json: ""
|
| 719 |
|
| 720 | #### read -p (not fully tested)
|
| 721 |
|
| 722 | # hm DISABLED if we're not going to the terminal
|
| 723 | # so we're only testing that it accepts the flag here
|
| 724 |
|
| 725 | case $SH in dash|mksh|zsh) exit ;; esac
|
| 726 |
|
| 727 | echo hi | { read -p 'P'; echo $REPLY; }
|
| 728 | echo hi | { read -p 'P' -n 1; echo $REPLY; }
|
| 729 | ## STDOUT:
|
| 730 | hi
|
| 731 | h
|
| 732 | ## END
|
| 733 | ## stderr-json: ""
|
| 734 | ## N-I dash/mksh/zsh stdout-json: ""
|
| 735 |
|
| 736 | #### read usage
|
| 737 | read -n -1
|
| 738 | echo status=$?
|
| 739 | ## STDOUT:
|
| 740 | status=2
|
| 741 | ## END
|
| 742 | ## OK bash stdout: status=1
|
| 743 | ## BUG mksh stdout-json: ""
|
| 744 | # zsh gives a fatal error? seems inconsistent
|
| 745 | ## BUG zsh stdout-json: ""
|
| 746 | ## BUG zsh status: 1
|
| 747 |
|
| 748 | #### read with smooshed args
|
| 749 | echo hi | { read -rn1 var; echo var=$var; }
|
| 750 | ## STDOUT:
|
| 751 | var=h
|
| 752 | ## END
|
| 753 | ## N-I dash/zsh STDOUT:
|
| 754 | var=
|
| 755 | ## END
|
| 756 |
|
| 757 | #### read -r -d '' for NUL strings, e.g. find -print0
|
| 758 |
|
| 759 |
|
| 760 | case $SH in dash|zsh|mksh) exit ;; esac # NOT IMPLEMENTED
|
| 761 |
|
| 762 | mkdir -p read0
|
| 763 | cd read0
|
| 764 | rm -f *
|
| 765 |
|
| 766 | touch a\\b\\c\\d # -r is necessary!
|
| 767 |
|
| 768 | find . -type f -a -print0 | { read -r -d ''; echo "[$REPLY]"; }
|
| 769 |
|
| 770 | ## STDOUT:
|
| 771 | [./a\b\c\d]
|
| 772 | ## END
|
| 773 | ## N-I dash/zsh/mksh STDOUT:
|
| 774 | ## END
|
| 775 |
|
| 776 |
|
| 777 | #### read from redirected directory is non-fatal error
|
| 778 |
|
| 779 | # This tickles an infinite loop bug in our version of mksh! TODO: upgrade the
|
| 780 | # version and enable this
|
| 781 | case $SH in mksh) return ;; esac
|
| 782 |
|
| 783 | cd $TMP
|
| 784 | mkdir -p dir
|
| 785 | read x < ./dir
|
| 786 | echo status=$?
|
| 787 |
|
| 788 | ## STDOUT:
|
| 789 | status=1
|
| 790 | ## END
|
| 791 | # OK mksh stdout: status=2
|
| 792 | ## OK mksh stdout-json: ""
|
| 793 |
|
| 794 | #### read -n from directory
|
| 795 |
|
| 796 | case $SH in dash|ash) return ;; esac # not implemented
|
| 797 |
|
| 798 | # same hanging bug
|
| 799 | case $SH in mksh) return ;; esac
|
| 800 |
|
| 801 | mkdir -p dir
|
| 802 | read -n 3 x < ./dir
|
| 803 | echo status=$?
|
| 804 | ## STDOUT:
|
| 805 | status=1
|
| 806 | ## END
|
| 807 | ## OK mksh stdout-json: ""
|
| 808 | ## N-I dash/ash stdout-json: ""
|
| 809 |
|
| 810 | #### mapfile from directory (bash doesn't handle errors)
|
| 811 | case $SH in dash|ash|mksh|zsh) return ;; esac # not implemented
|
| 812 |
|
| 813 | mkdir -p dir
|
| 814 | mapfile $x < ./dir
|
| 815 | echo status=$?
|
| 816 |
|
| 817 | ## STDOUT:
|
| 818 | status=1
|
| 819 | ## END
|
| 820 | ## BUG bash STDOUT:
|
| 821 | status=0
|
| 822 | ## END
|
| 823 | ## N-I dash/ash/mksh/zsh stdout-json: ""
|
| 824 |
|
| 825 | #### read -n 0
|
| 826 | case $SH in zsh) exit 99;; esac # read -n not implemented
|
| 827 |
|
| 828 | echo 'a\b\c\d\e\f' | (read -n 0; argv.py "$REPLY")
|
| 829 |
|
| 830 | ## STDOUT:
|
| 831 | ['']
|
| 832 | ## END
|
| 833 | # ash appears to treat 0 as unspecified
|
| 834 | ## OK ash STDOUT:
|
| 835 | ['abcdef']
|
| 836 | ## END
|
| 837 | ## N-I zsh status: 99
|
| 838 | ## N-I zsh STDOUT:
|
| 839 | ## END
|
| 840 |
|
| 841 | #### read -n and backslash escape
|
| 842 | case $SH in zsh) exit 99;; esac # read -n not implemented
|
| 843 |
|
| 844 | echo 'a\b\c\d\e\f' | (read -n 5; argv.py "$REPLY")
|
| 845 | echo 'a\ \ \ \ \ ' | (read -n 5; argv.py "$REPLY")
|
| 846 |
|
| 847 | ## STDOUT:
|
| 848 | ['abcde']
|
| 849 | ['a ']
|
| 850 | ## END
|
| 851 | ## OK mksh STDOUT:
|
| 852 | ['a\x08d\x1b']
|
| 853 | ['a ']
|
| 854 | ## END
|
| 855 | ## OK ash STDOUT:
|
| 856 | ['abc']
|
| 857 | ['a ']
|
| 858 | ## END
|
| 859 | ## N-I zsh status: 99
|
| 860 | ## N-I zsh STDOUT:
|
| 861 | ## END
|
| 862 |
|
| 863 | #### read -n 4 with incomplete backslash
|
| 864 | case $SH in zsh) exit 99;; esac # read -n not implemented
|
| 865 |
|
| 866 | echo 'abc\def\ghijklmn' | (read -n 4; argv.py "$REPLY")
|
| 867 | echo ' \xxx\xxxxxxxx' | (read -n 4; argv.py "$REPLY")
|
| 868 |
|
| 869 | # bash implements "-n NUM" as number of characters
|
| 870 | ## STDOUT:
|
| 871 | ['abcd']
|
| 872 | [' x']
|
| 873 | ## END
|
| 874 | # ash implements "-n NUM" as number of bytes
|
| 875 | ## OK-2 ash STDOUT:
|
| 876 | ['abc']
|
| 877 | [' ']
|
| 878 | ## END
|
| 879 | # mksh implements "-n NUM" as number of bytes, and also "read" (without
|
| 880 | # variable names) in mksh is equivalent to "read REPLY, i.e., consideres IFS.
|
| 881 | ## OK-3 mksh STDOUT:
|
| 882 | ['abc']
|
| 883 | ['']
|
| 884 | ## END
|
| 885 | ## N-I zsh status: 99
|
| 886 | ## N-I zsh STDOUT:
|
| 887 | ## END
|
| 888 |
|
| 889 | #### read -n 4 with backslash + delim
|
| 890 | case $SH in zsh) exit 99;; esac # read -n not implemented
|
| 891 |
|
| 892 | echo $'abc\\\ndefg' | (read -n 4; argv.py "$REPLY")
|
| 893 |
|
| 894 | ## STDOUT:
|
| 895 | ['abcd']
|
| 896 | ## END
|
| 897 | # mksh and ash implements "-n NUM" as number of bytes.
|
| 898 | ## OK-2 mksh/ash STDOUT:
|
| 899 | ['abc']
|
| 900 | ## END
|
| 901 | ## N-I zsh status: 99
|
| 902 | ## N-I zsh STDOUT:
|
| 903 | ## END
|
| 904 |
|
| 905 | #### "backslash + newline" should be swallowed regardless of "-d <delim>"
|
| 906 |
|
| 907 | printf '%s\n' 'a b\' 'c d' | (read; argv.py "$REPLY")
|
| 908 | printf '%s\n' 'a b\,c d' | (read; argv.py "$REPLY")
|
| 909 | printf '%s\n' 'a b\' 'c d' | (read -d ,; argv.py "$REPLY")
|
| 910 | printf '%s\n' 'a b\,c d' | (read -d ,; argv.py "$REPLY")
|
| 911 |
|
| 912 | ## STDOUT:
|
| 913 | ['a bc d']
|
| 914 | ['a b,c d']
|
| 915 | ['a bc d\n']
|
| 916 | ['a b,c d\n']
|
| 917 | ## END
|
| 918 | # mksh/zsh swallows "backslash + delim" instead.
|
| 919 | ## OK-2 mksh/zsh STDOUT:
|
| 920 | ['a bc d']
|
| 921 | ['a b,c d']
|
| 922 | ['a b\nc d']
|
| 923 | ['a bc d']
|
| 924 | ## END
|
| 925 |
|
| 926 | #### empty input and splitting
|
| 927 | case $SH in mksh|ash|dash|zsh) exit 99; esac
|
| 928 | echo '' | (read -a a; argv.py "${a[@]}")
|
| 929 | IFS=x
|
| 930 | echo '' | (read -a a; argv.py "${a[@]}")
|
| 931 | IFS=
|
| 932 | echo '' | (read -a a; argv.py "${a[@]}")
|
| 933 | ## STDOUT:
|
| 934 | []
|
| 935 | []
|
| 936 | []
|
| 937 | ## END
|
| 938 | ## N-I mksh/zsh/dash/ash status: 99
|
| 939 | ## N-I mksh/zsh/dash/ash STDOUT:
|
| 940 | ## END
|
| 941 |
|
| 942 | #### IFS='x ' read -a: trailing spaces (unlimited split)
|
| 943 | case $SH in mksh|ash|dash|zsh) exit 99; esac
|
| 944 | IFS='x '
|
| 945 | echo 'a b' | (read -a a; argv.py "${a[@]}")
|
| 946 | echo 'a b ' | (read -a a; argv.py "${a[@]}")
|
| 947 | echo 'a bx' | (read -a a; argv.py "${a[@]}")
|
| 948 | echo 'a bx ' | (read -a a; argv.py "${a[@]}")
|
| 949 | echo 'a b x' | (read -a a; argv.py "${a[@]}")
|
| 950 | echo 'a b x ' | (read -a a; argv.py "${a[@]}")
|
| 951 | echo 'a b x x' | (read -a a; argv.py "${a[@]}")
|
| 952 |
|
| 953 | ## STDOUT:
|
| 954 | ['a', 'b']
|
| 955 | ['a', 'b']
|
| 956 | ['a', 'b']
|
| 957 | ['a', 'b']
|
| 958 | ['a', 'b']
|
| 959 | ['a', 'b']
|
| 960 | ['a', 'b', '']
|
| 961 | ## END
|
| 962 | ## N-I mksh/zsh/dash/ash status: 99
|
| 963 | ## N-I mksh/zsh/dash/ash STDOUT:
|
| 964 | ## END
|
| 965 |
|
| 966 | #### IFS='x ' read a b: trailing spaces (with max_split)
|
| 967 | echo 'hello world test ' | (read a b; argv.py "$a" "$b")
|
| 968 | echo '-- IFS=x --'
|
| 969 | IFS='x '
|
| 970 | echo 'a ax x ' | (read a b; argv.py "$a" "$b")
|
| 971 | echo 'a ax x x' | (read a b; argv.py "$a" "$b")
|
| 972 | echo 'a ax x x ' | (read a b; argv.py "$a" "$b")
|
| 973 | echo 'a ax x x a' | (read a b; argv.py "$a" "$b")
|
| 974 | ## STDOUT:
|
| 975 | ['hello', 'world test']
|
| 976 | -- IFS=x --
|
| 977 | ['a', 'ax x']
|
| 978 | ['a', 'ax x x']
|
| 979 | ['a', 'ax x x']
|
| 980 | ['a', 'ax x x a']
|
| 981 | ## END
|
| 982 |
|
| 983 | #### IFS='x ' read -a: intermediate spaces (unlimited split)
|
| 984 | case $SH in mksh|ash|dash|zsh) exit 99; esac
|
| 985 | IFS='x '
|
| 986 | echo 'a x b' | (read -a a; argv.py "${a[@]}")
|
| 987 | echo 'a xx b' | (read -a a; argv.py "${a[@]}")
|
| 988 | echo 'a xxx b' | (read -a a; argv.py "${a[@]}")
|
| 989 | echo 'a x xb' | (read -a a; argv.py "${a[@]}")
|
| 990 | echo 'a x x b' | (read -a a; argv.py "${a[@]}")
|
| 991 | echo 'ax b' | (read -a a; argv.py "${a[@]}")
|
| 992 | echo 'ax xb' | (read -a a; argv.py "${a[@]}")
|
| 993 | echo 'ax xb' | (read -a a; argv.py "${a[@]}")
|
| 994 | echo 'ax x xb' | (read -a a; argv.py "${a[@]}")
|
| 995 | ## STDOUT:
|
| 996 | ['a', 'b']
|
| 997 | ['a', '', 'b']
|
| 998 | ['a', '', '', 'b']
|
| 999 | ['a', '', 'b']
|
| 1000 | ['a', '', 'b']
|
| 1001 | ['a', 'b']
|
| 1002 | ['a', '', 'b']
|
| 1003 | ['a', '', 'b']
|
| 1004 | ['a', '', '', 'b']
|
| 1005 | ## END
|
| 1006 | ## N-I mksh/zsh/dash/ash status: 99
|
| 1007 | ## N-I mksh/zsh/dash/ash STDOUT:
|
| 1008 | ## END
|
| 1009 |
|
| 1010 | #### IFS='x ' incomplete backslash
|
| 1011 | echo ' a b \' | (read a; argv.py "$a")
|
| 1012 | echo ' a b \' | (read a b; argv.py "$a" "$b")
|
| 1013 | IFS='x '
|
| 1014 | echo $'a ax x \\\nhello' | (read a b; argv.py "$a" "$b")
|
| 1015 | ## STDOUT:
|
| 1016 | ['a b']
|
| 1017 | ['a', 'b']
|
| 1018 | ['a', 'ax x hello']
|
| 1019 | ## END
|
| 1020 |
|
| 1021 | #### IFS='\ ' and backslash escaping
|
| 1022 | IFS='\ '
|
| 1023 | echo "hello\ world test" | (read a b; argv.py "$a" "$b")
|
| 1024 | IFS='\'
|
| 1025 | echo "hello\ world test" | (read a b; argv.py "$a" "$b")
|
| 1026 | ## STDOUT:
|
| 1027 | ['hello world', 'test']
|
| 1028 | ['hello world test', '']
|
| 1029 | ## END
|
| 1030 | # In mksh/zsh, IFS='\' is stronger than backslash escaping
|
| 1031 | ## OK mksh/zsh STDOUT:
|
| 1032 | ['hello', 'world test']
|
| 1033 | ['hello', ' world test']
|
| 1034 | ## END
|
| 1035 |
|
| 1036 | #### max_split and backslash escaping
|
| 1037 | echo 'Aa b \ a\ b' | (read a b; argv.py "$a" "$b")
|
| 1038 | echo 'Aa b \ a\ b' | (read a b c; argv.py "$a" "$b" "$c")
|
| 1039 | echo 'Aa b \ a\ b' | (read a b c d; argv.py "$a" "$b" "$c" "$d")
|
| 1040 | ## STDOUT:
|
| 1041 | ['Aa', 'b a b']
|
| 1042 | ['Aa', 'b', ' a b']
|
| 1043 | ['Aa', 'b', ' a b', '']
|
| 1044 | ## END
|
| 1045 |
|
| 1046 | #### IFS=x read a b <<< xxxxxx
|
| 1047 | IFS='x '
|
| 1048 | echo x | (read a b; argv.py "$a" "$b")
|
| 1049 | echo xx | (read a b; argv.py "$a" "$b")
|
| 1050 | echo xxx | (read a b; argv.py "$a" "$b")
|
| 1051 | echo xxxx | (read a b; argv.py "$a" "$b")
|
| 1052 | echo xxxxx | (read a b; argv.py "$a" "$b")
|
| 1053 | echo '-- spaces --'
|
| 1054 | echo 'x ' | (read a b; argv.py "$a" "$b")
|
| 1055 | echo 'xx ' | (read a b; argv.py "$a" "$b")
|
| 1056 | echo 'xxx ' | (read a b; argv.py "$a" "$b")
|
| 1057 | echo 'xxxx ' | (read a b; argv.py "$a" "$b")
|
| 1058 | echo 'xxxxx' | (read a b; argv.py "$a" "$b")
|
| 1059 | echo '-- with char --'
|
| 1060 | echo 'xa ' | (read a b; argv.py "$a" "$b")
|
| 1061 | echo 'xax ' | (read a b; argv.py "$a" "$b")
|
| 1062 | echo 'xaxx ' | (read a b; argv.py "$a" "$b")
|
| 1063 | echo 'xaxxx ' | (read a b; argv.py "$a" "$b")
|
| 1064 | echo 'xaxxxx' | (read a b; argv.py "$a" "$b")
|
| 1065 | ## STDOUT:
|
| 1066 | ['', '']
|
| 1067 | ['', '']
|
| 1068 | ['', 'xx']
|
| 1069 | ['', 'xxx']
|
| 1070 | ['', 'xxxx']
|
| 1071 | -- spaces --
|
| 1072 | ['', '']
|
| 1073 | ['', '']
|
| 1074 | ['', 'xx']
|
| 1075 | ['', 'xxx']
|
| 1076 | ['', 'xxxx']
|
| 1077 | -- with char --
|
| 1078 | ['', 'a']
|
| 1079 | ['', 'a']
|
| 1080 | ['', 'axx']
|
| 1081 | ['', 'axxx']
|
| 1082 | ['', 'axxxx']
|
| 1083 | ## END
|
| 1084 | ## OK-2 zsh STDOUT:
|
| 1085 | ['', '']
|
| 1086 | ['', 'x']
|
| 1087 | ['', 'xx']
|
| 1088 | ['', 'xxx']
|
| 1089 | ['', 'xxxx']
|
| 1090 | -- spaces --
|
| 1091 | ['', '']
|
| 1092 | ['', 'x']
|
| 1093 | ['', 'xx']
|
| 1094 | ['', 'xxx']
|
| 1095 | ['', 'xxxx']
|
| 1096 | -- with char --
|
| 1097 | ['', 'a']
|
| 1098 | ['', 'ax']
|
| 1099 | ['', 'axx']
|
| 1100 | ['', 'axxx']
|
| 1101 | ['', 'axxxx']
|
| 1102 | ## END
|
| 1103 |
|
| 1104 | #### read and "\ "
|
| 1105 |
|
| 1106 | IFS='x '
|
| 1107 | check() { echo "$1" | (read a b; argv.py "$a" "$b"); }
|
| 1108 |
|
| 1109 | echo '-- xs... --'
|
| 1110 | check 'x '
|
| 1111 | check 'x \ '
|
| 1112 | check 'x \ \ '
|
| 1113 | check 'x \ \ \ '
|
| 1114 | echo '-- xe... --'
|
| 1115 | check 'x\ '
|
| 1116 | check 'x\ \ '
|
| 1117 | check 'x\ \ \ '
|
| 1118 | check 'x\ '
|
| 1119 | check 'x\ '
|
| 1120 | check 'x\ '
|
| 1121 |
|
| 1122 | # check 'xx\ '
|
| 1123 | # check 'xx\ '
|
| 1124 |
|
| 1125 | ## STDOUT:
|
| 1126 | -- xs... --
|
| 1127 | ['', '']
|
| 1128 | ['', ' ']
|
| 1129 | ['', ' ']
|
| 1130 | ['', ' ']
|
| 1131 | -- xe... --
|
| 1132 | ['', ' ']
|
| 1133 | ['', ' ']
|
| 1134 | ['', ' ']
|
| 1135 | ['', ' ']
|
| 1136 | ['', ' ']
|
| 1137 | ['', ' ']
|
| 1138 | ## END
|
| 1139 | ## BUG mksh STDOUT:
|
| 1140 | -- xs... --
|
| 1141 | ['', '']
|
| 1142 | ['', '']
|
| 1143 | ['', ' ']
|
| 1144 | ['', ' ']
|
| 1145 | -- xe... --
|
| 1146 | ['', '']
|
| 1147 | ['', ' ']
|
| 1148 | ['', ' ']
|
| 1149 | ['', '']
|
| 1150 | ['', '']
|
| 1151 | ['', '']
|
| 1152 | ## END
|
| 1153 | ## OK-2 zsh/ash STDOUT:
|
| 1154 | -- xs... --
|
| 1155 | ['', '']
|
| 1156 | ['', '']
|
| 1157 | ['', '']
|
| 1158 | ['', '']
|
| 1159 | -- xe... --
|
| 1160 | ['', '']
|
| 1161 | ['', '']
|
| 1162 | ['', '']
|
| 1163 | ['', '']
|
| 1164 | ['', '']
|
| 1165 | ['', '']
|
| 1166 | ## END
|
| 1167 |
|
| 1168 | #### read bash bug
|
| 1169 | IFS='x '
|
| 1170 | echo 'x\ \ ' | (read a b; argv.py "$a" "$b")
|
| 1171 | ## STDOUT:
|
| 1172 | ['', ' ']
|
| 1173 | ## END
|
| 1174 | ## BUG bash STDOUT:
|
| 1175 | ['', '\x01']
|
| 1176 | ## END
|
| 1177 | ## BUG-2 mksh STDOUT:
|
| 1178 | ['', ' ']
|
| 1179 | ## END
|
| 1180 | ## OK-3 zsh/ash STDOUT:
|
| 1181 | ['', '']
|
| 1182 | ## END
|
| 1183 | ## OK-4 osh STDOUT:
|
| 1184 | ['', ' ']
|
| 1185 | ## END
|