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