| 1 | ## compare_shells: dash bash mksh zsh ash
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| 2 | ## oils_failures_allowed: 2
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| 3 | ## oils_cpp_failures_allowed: 1
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| 4 |
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| 5 | #### NUL bytes with echo -e
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| 6 | case $SH in (dash) exit ;; esac
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| 7 |
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| 8 | echo -e '\0-'
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| 9 | #echo -e '\x00-'
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| 10 | #echo -e '\000-'
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| 11 |
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| 12 | ## stdout-repr: "\x00-\n"
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| 13 | ## BUG zsh stdout-repr: "\x00\n"
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| 14 | ## N-I dash stdout-json: ""
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| 15 |
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| 16 | #### NUL bytes in printf format
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| 17 | printf '\0\n'
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| 18 | ## stdout-repr: "\x00\n"
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| 19 |
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| 20 | #### NUL bytes in printf value (OSH and zsh agree)
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| 21 | case $SH in (dash) exit ;; esac
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| 22 |
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| 23 | nul=$'\0'
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| 24 | echo "$nul"
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| 25 | printf '%s\n' "$nul"
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| 26 |
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| 27 | ## stdout-repr: "\n\n"
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| 28 | ## OK osh/zsh stdout-repr: "\x00\n\x00\n"
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| 29 | ## N-I dash stdout-json: ""
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| 30 |
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| 31 |
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| 32 |
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| 33 | #### NUL bytes with echo $'\0' (OSH and zsh agree)
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| 34 |
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| 35 | case $SH in (dash) exit ;; esac
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| 36 |
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| 37 | # OSH agrees with ZSH -- so you have the ability to print NUL bytes without
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| 38 | # legacy echo -e
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| 39 |
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| 40 | echo $'\0'
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| 41 |
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| 42 | ## stdout-repr: "\n"
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| 43 | ## OK osh/zsh stdout-repr: "\0\n"
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| 44 | ## N-I dash stdout-json: ""
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| 45 |
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| 46 |
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| 47 | #### NUL bytes and IFS splitting
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| 48 | case $SH in (dash) exit ;; esac
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| 49 |
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| 50 | argv.py $(echo -e '\0')
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| 51 | argv.py "$(echo -e '\0')"
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| 52 | argv.py $(echo -e 'a\0b')
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| 53 | argv.py "$(echo -e 'a\0b')"
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| 54 |
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| 55 | ## STDOUT:
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| 56 | []
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| 57 | ['']
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| 58 | ['ab']
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| 59 | ['ab']
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| 60 | ## END
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| 61 | ## BUG zsh STDOUT:
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| 62 | ['', '']
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| 63 | ['']
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| 64 | ['a', 'b']
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| 65 | ['a']
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| 66 | ## END
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| 67 |
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| 68 | ## N-I dash STDOUT:
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| 69 | ## END
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| 70 |
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| 71 | #### NUL bytes with test -n
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| 72 |
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| 73 | case $SH in (dash) exit ;; esac
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| 74 |
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| 75 | # zsh is buggy here, weird
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| 76 | test -n $''
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| 77 | echo status=$?
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| 78 |
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| 79 | test -n $'\0'
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| 80 | echo status=$?
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| 81 |
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| 82 |
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| 83 | ## STDOUT:
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| 84 | status=1
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| 85 | status=1
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| 86 | ## END
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| 87 | ## OK osh STDOUT:
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| 88 | status=1
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| 89 | status=0
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| 90 | ## END
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| 91 | ## BUG zsh STDOUT:
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| 92 | status=0
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| 93 | status=0
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| 94 | ## END
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| 95 |
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| 96 | ## N-I dash STDOUT:
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| 97 | ## END
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| 98 |
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| 99 |
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| 100 | #### NUL bytes with test -f
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| 101 |
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| 102 | case $SH in (dash) exit ;; esac
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| 103 |
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| 104 |
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| 105 | test -f $'\0'
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| 106 | echo status=$?
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| 107 |
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| 108 | touch foo
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| 109 | test -f $'foo\0'
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| 110 | echo status=$?
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| 111 |
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| 112 | test -f $'foo\0bar'
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| 113 | echo status=$?
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| 114 |
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| 115 | test -f $'foobar'
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| 116 | echo status=$?
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| 117 |
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| 118 |
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| 119 | ## STDOUT:
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| 120 | status=1
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| 121 | status=0
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| 122 | status=0
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| 123 | status=1
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| 124 | ## END
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| 125 |
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| 126 | ## OK ash STDOUT:
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| 127 | status=1
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| 128 | status=0
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| 129 | status=1
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| 130 | status=1
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| 131 | ## END
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| 132 |
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| 133 | ## N-I dash STDOUT:
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| 134 | ## END
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| 135 |
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| 136 |
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| 137 | #### NUL bytes with ${#s} (OSH and zsh agree)
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| 138 |
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| 139 | case $SH in (dash) exit ;; esac
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| 140 |
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| 141 | empty=$''
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| 142 | nul=$'\0'
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| 143 |
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| 144 | echo empty=${#empty}
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| 145 | echo nul=${#nul}
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| 146 |
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| 147 |
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| 148 | ## STDOUT:
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| 149 | empty=0
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| 150 | nul=0
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| 151 | ## END
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| 152 |
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| 153 | ## OK osh/zsh STDOUT:
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| 154 | empty=0
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| 155 | nul=1
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| 156 | ## END
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| 157 |
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| 158 | ## N-I dash STDOUT:
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| 159 | ## END
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