| 1 | ## oils_failures_allowed: 5
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| 2 | ## compare_shells: bash dash mksh zsh ash yash
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| 3 |
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| 4 | #### Fatal error
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| 5 | # http://landley.net/notes.html#20-06-2020
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| 6 |
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| 7 | abc=${a?bc} echo hello; echo blah
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| 8 | ## status: 1
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| 9 | ## OK yash/dash/ash status: 2
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| 10 | ## stdout-json: ""
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| 11 |
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| 12 | #### setting readonly var (bash is only one where it's non-fatal)
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| 13 | # http://landley.net/notes.html#20-06-2020
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| 14 |
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| 15 | readonly abc=123
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| 16 | abc=def
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| 17 | echo status=$?
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| 18 | ## status: 2
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| 19 | ## stdout-json: ""
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| 20 | ## OK osh/zsh status: 1
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| 21 | ## BUG bash status: 0
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| 22 | ## BUG bash STDOUT:
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| 23 | status=1
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| 24 | ## END
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| 25 |
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| 26 | #### readonly with temp binding
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| 27 | # http://landley.net/notes.html#20-06-2020
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| 28 |
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| 29 | # temp binding
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| 30 | readonly abc=123
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| 31 | abc=def echo one
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| 32 | echo status=$?
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| 33 |
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| 34 | echo potato < /does/not/exist || echo hello
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| 35 |
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| 36 | ## status: 2
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| 37 | ## stdout-json: ""
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| 38 | ## OK osh/bash status: 0
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| 39 | ## OK osh/bash STDOUT:
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| 40 | one
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| 41 | status=0
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| 42 | hello
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| 43 | ## END
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| 44 | ## OK zsh status: 1
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| 45 |
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| 46 | #### Failed redirect in assignment, vs. export
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| 47 |
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| 48 | abc=def > /does/not/exist1
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| 49 | echo abc=$abc
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| 50 |
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| 51 | export abc=def > /does/not/exist2
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| 52 | echo abc=$abc
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| 53 |
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| 54 | ## STDOUT:
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| 55 | abc=
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| 56 | abc=
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| 57 | ## END
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| 58 | ## BUG bash STDOUT:
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| 59 | abc=def
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| 60 | abc=def
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| 61 | ## END
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| 62 | ## OK dash/ash/mksh STDOUT:
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| 63 | abc=
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| 64 | ## END
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| 65 | ## OK dash status: 2
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| 66 | ## OK mksh status: 1
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| 67 | ## OK ash status: 1
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| 68 |
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| 69 | #### Evaluation order of redirect and ${undef?error}
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| 70 | # http://landley.net/notes.html#12-06-2020
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| 71 | rm *
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| 72 |
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| 73 | rm -f walrus
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| 74 | $SH -c 'X=${x?bc} > walrus'
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| 75 | if test -f walrus; then echo 'exists1'; fi
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| 76 |
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| 77 | rm -f walrus
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| 78 | $SH -c '>walrus echo ${a?bc}'
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| 79 | test -f walrus
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| 80 | if test -f walrus; then echo 'exists2'; fi
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| 81 | ## STDOUT:
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| 82 | exists1
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| 83 | ## END
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| 84 | ## OK bash stdout-json: ""
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| 85 |
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| 86 | #### Function def in pipeline
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| 87 | # http://landley.net/notes.html#26-05-2020
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| 88 |
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| 89 | echo hello | potato() { echo abc; } | echo ha
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| 90 |
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| 91 | ## STDOUT:
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| 92 | ha
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| 93 | ## END
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| 94 |
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| 95 | #### dynamic glob - http://landley.net/notes.html#08-05-2020
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| 96 | rm * # setup
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| 97 | X='*'; echo $X
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| 98 | echo "*"*".?z"
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| 99 | ## STDOUT:
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| 100 | _tmp
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| 101 | **.?z
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| 102 | ## END
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| 103 | ## BUG zsh status: 1
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| 104 | ## BUG zsh STDOUT:
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| 105 | *
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| 106 | ## END
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| 107 |
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| 108 | #### no shebang
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| 109 | rm *
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| 110 |
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| 111 | cat > snork << 'EOF'
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| 112 | echo hello $BLAH
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| 113 | EOF
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| 114 |
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| 115 | chmod +x snork
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| 116 | $SH -c 'BLAH=123; ./snork'
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| 117 | $SH -c 'BLAH=123; exec ./snork'
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| 118 | $SH -c 'BLAH=123 exec ./snork'
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| 119 | ## STDOUT:
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| 120 | hello
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| 121 | hello
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| 122 | hello 123
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| 123 | ## END
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| 124 |
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| 125 |
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| 126 | #### IFS
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| 127 |
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| 128 | IFS=x; X=abxcd; echo ${X/bxc/g}
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| 129 |
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| 130 | X=a=\"\$a\"; echo ${X//a/{x,y,z}}
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| 131 |
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| 132 | ## STDOUT:
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| 133 | agd
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| 134 | { ,y,z="${ ,y,z"}
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| 135 | ## END
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| 136 | ## BUG zsh STDOUT:
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| 137 | agd
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| 138 | {x,y,z}="${x,y,z}"
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| 139 | ## END
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| 140 | ## N-I dash status: 2
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| 141 | ## N-I dash stdout-json: ""
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| 142 |
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| 143 | #### shift is fatal at top level?
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| 144 | # http://landley.net/notes.html#08-04-2020
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| 145 |
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| 146 | # This makes a difference for zsh, but not for bash?
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| 147 | #set -o posix
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| 148 |
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| 149 | $SH -c 'shift; echo hello'
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| 150 | ## STDOUT:
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| 151 | hello
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| 152 | ## END
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| 153 | ## OK dash status: 2
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| 154 | ## OK mksh status: 1
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| 155 | ## OK dash/mksh stdout-json: ""
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| 156 |
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| 157 | #### var and func - http://landley.net/notes.html#19-03-2020
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| 158 | potato() { echo hello; }
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| 159 | potato=42
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| 160 | echo $potato
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| 161 |
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| 162 | potato
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| 163 |
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| 164 | ## STDOUT:
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| 165 | 42
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| 166 | hello
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| 167 | ## END
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| 168 |
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| 169 |
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| 170 | #### IFS - http://landley.net/notes.html#05-03-2020
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| 171 | case $SH in zsh) exit ;; esac
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| 172 |
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| 173 | IFS=x
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| 174 | chicken() { for i in "$@"; do echo =$i=; done;}
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| 175 | chicken one abc dxf ghi
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| 176 |
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| 177 | echo ---
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| 178 | myfunc() { "$SH" -c 'IFS=x; for i in $@; do echo =$i=; done' blah "$@"; }
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| 179 | myfunc one "" two
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| 180 |
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| 181 | ## STDOUT:
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| 182 | =one=
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| 183 | =abc=
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| 184 | =d f=
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| 185 | =ghi=
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| 186 | ---
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| 187 | =one=
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| 188 | ==
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| 189 | =two=
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| 190 | ## END
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| 191 |
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| 192 | ## BUG dash/ash STDOUT:
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| 193 | =one=
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| 194 | =abc=
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| 195 | =d f=
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| 196 | =ghi=
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| 197 | ---
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| 198 | =one=
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| 199 | =two=
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| 200 | ## END
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| 201 |
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| 202 | ## N-I zsh STDOUT:
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| 203 | ## END
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| 204 |
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| 205 | #### IFS=x and '' and unquoted $@ - reduction of case above
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| 206 |
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| 207 | setopt SH_WORD_SPLIT
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| 208 | #set -x
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| 209 |
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| 210 | set -- one "" two
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| 211 |
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| 212 | IFS=x
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| 213 |
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| 214 | argv.py $@
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| 215 |
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| 216 | for i in $@; do
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| 217 | echo -$i-
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| 218 | done
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| 219 |
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| 220 | ## STDOUT:
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| 221 | ['one', '', 'two']
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| 222 | -one-
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| 223 | --
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| 224 | -two-
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| 225 | ## END
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| 226 |
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| 227 | ## BUG dash/ash/zsh STDOUT:
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| 228 | ['one', 'two']
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| 229 | -one-
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| 230 | -two-
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| 231 | ## END
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| 232 |
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| 233 |
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| 234 | #### for loop parsing - http://landley.net/notes.html#04-03-2020
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| 235 |
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| 236 | $SH -c '
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| 237 | for i
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| 238 | in one two three
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| 239 | do echo $i;
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| 240 | done
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| 241 | '
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| 242 | echo $?
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| 243 |
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| 244 | $SH -c 'for i; in one two three; do echo $i; done'
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| 245 | test $? -ne 0 && echo cannot-parse
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| 246 |
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| 247 | ## STDOUT:
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| 248 | one
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| 249 | two
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| 250 | three
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| 251 | 0
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| 252 | cannot-parse
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| 253 | ## END
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| 254 |
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| 255 | #### Parsing $(( ))
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| 256 | # http://landley.net/notes.html#15-03-2020
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| 257 | $SH -c 'echo $((echo hello))'
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| 258 | if test $? -ne 0; then echo fail; fi
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| 259 | ## stdout: fail
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| 260 |
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| 261 | #### IFS - http://landley.net/notes.html#15-02-2020 (TODO: osh)
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| 262 |
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| 263 | IFS=x; A=xabcxx; for i in $A; do echo =$i=; done
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| 264 |
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| 265 | unset IFS; A=" abc def "; for i in ""$A""; do echo =$i=; done
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| 266 |
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| 267 | ## STDOUT:
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| 268 | ==
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| 269 | =abc=
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| 270 | ==
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| 271 | ==
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| 272 | =abc=
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| 273 | =def=
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| 274 | ==
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| 275 | ## END
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| 276 | ## BUG zsh status: 1
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| 277 | ## BUG zsh stdout-json: ""
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| 278 |
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| 279 | #### IFS 2 (TODO: osh)
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| 280 | this one appears different between osh and bash
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| 281 | A=" abc def "; for i in ""x""$A""; do echo =$i=; done
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| 282 |
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| 283 | ## STDOUT:
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| 284 | =x=
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| 285 | =abc=
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| 286 | =def=
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| 287 | ==
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| 288 | ## END
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| 289 | ## BUG zsh status: 1
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| 290 | ## BUG zsh stdout-json: ""
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| 291 |
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| 292 | #### IFS 3
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| 293 | IFS=x; X="onextwoxxthree"; y=$X; echo $y
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| 294 | ## STDOUT:
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| 295 | one two three
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| 296 | ## END
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| 297 | ## BUG zsh STDOUT:
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| 298 | onextwoxxthree
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| 299 | ## END
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| 300 |
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| 301 | #### IFS 4
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| 302 |
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| 303 | setopt SH_WORD_SPLIT
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| 304 |
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| 305 | IFS=x
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| 306 |
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| 307 | func1() {
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| 308 | echo /$*/
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| 309 | for i in $*; do echo -$i-; done
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| 310 | }
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| 311 | func1 "" ""
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| 312 |
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| 313 | echo
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| 314 |
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| 315 | func2() {
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| 316 | echo /"$*"/
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| 317 | for i in =$*=; do echo -$i-; done
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| 318 | }
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| 319 | func2 "" ""
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| 320 |
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| 321 | ## STDOUT:
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| 322 | / /
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| 323 |
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| 324 | /x/
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| 325 | -=-
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| 326 | -=-
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| 327 | ## END
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| 328 | ## BUG bash STDOUT:
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| 329 | / /
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| 330 | --
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| 331 |
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| 332 | /x/
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| 333 | -=-
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| 334 | -=-
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| 335 | ## END
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| 336 | ## BUG yash/zsh STDOUT:
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| 337 | / /
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| 338 | --
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| 339 | --
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| 340 |
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| 341 | /x/
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| 342 | -=-
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| 343 | -=-
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| 344 | ## END
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| 345 |
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| 346 | #### IFS 5
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| 347 | cc() { for i in $*; do echo -$i-; done;}; cc "" "" "" "" ""
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| 348 | cc() { echo =$1$2=;}; cc "" ""
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| 349 | ## STDOUT:
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| 350 | ==
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| 351 | ## END
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| 352 | ## BUG yash STDOUT:
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| 353 | --
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| 354 | --
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| 355 | --
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| 356 | --
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| 357 | --
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| 358 | ==
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| 359 | ## END
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| 360 | ## BUG zsh status: 1
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| 361 | ## BUG zsh stdout-json: ""
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| 362 |
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| 363 | #### Can't parse extra }
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| 364 |
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| 365 | $SH -c 'for i in a"$@"b;do echo =$i=;done;}' 123 456 789
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| 366 | ## status: 2
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| 367 | ## OK mksh/zsh status: 1
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| 368 | ## STDOUT:
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| 369 | ## END
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| 370 |
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| 371 | #### Command Sub Syntax Error
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| 372 | # http://landley.net/notes.html#28-01-2020
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| 373 |
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| 374 | echo $(if true)
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| 375 | echo $?
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| 376 | echo $(false)
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| 377 | echo $?
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| 378 |
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| 379 | ## status: 2
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| 380 | ## stdout-json: ""
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| 381 |
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| 382 | ## OK mksh/zsh status: 1
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| 383 |
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| 384 |
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| 385 | #### Pipeline - http://landley.net/notes-2019.html#16-12-2019
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| 386 | echo hello | { read i; echo $i;} | { read i; echo $i;} | cat
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| 387 | echo hello | while read i; do echo -=$i=- | sed s/=/@/g ; done | cat
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| 388 | ## STDOUT:
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| 389 | hello
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| 390 | -@hello@-
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| 391 | ## END
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| 392 |
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