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