| 1 | ## compare_shells: bash dash mksh zsh ash
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| 2 | ## oils_failures_allowed: 3
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| 3 |
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| 4 | # This file relates to:
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| 5 | #
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| 6 | # - doc/known-differences.md
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| 7 | # - "divergence" tag on github:
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| 8 | # https://github.com/oils-for-unix/oils/issues?q=is%3Aissue%20state%3Aopen%20label%3Adivergence
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| 9 |
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| 10 | #### xz package: dirprefix="${line##*([}"
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| 11 |
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| 12 | # https://oilshell.zulipchat.com/#narrow/channel/502349-osh/topic/alpine.20xz.20-.20.22.24.7Bline.23.23*.28.5B.7D.22.20interpreted.20as.20extended.20glob/with/519718284
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| 13 |
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| 14 | # NOTE: spec/extglob-match shows that bash respects it
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| 15 | #
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| 16 | # echo 'strip ##' ${x##@(foo)}
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| 17 |
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| 18 | shopt -s extglob
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| 19 |
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| 20 |
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| 21 | dirprefix="${line##*([}"
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| 22 | echo "-$dirprefix-"
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| 23 |
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| 24 | # Now try with real data
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| 25 | line='*([foo'
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| 26 | dirprefix="${line##*([}"
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| 27 | echo "-$dirprefix-"
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| 28 |
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| 29 | ## STDOUT:
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| 30 | --
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| 31 | -foo-
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| 32 | ## END
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| 33 |
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| 34 | ## N-I mksh/zsh status: 1
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| 35 | ## N-I mksh/zsh STDOUT:
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| 36 | ## END
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| 37 |
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| 38 | #### !( as negation and subshell versus extended glob - #2463
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| 39 |
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| 40 | have_icu_uc=false
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| 41 | have_icu_i18n=false
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| 42 |
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| 43 | if !($have_icu_uc && $have_icu_i18n); then
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| 44 | echo one
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| 45 | fi
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| 46 | echo two
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| 47 |
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| 48 | ## STDOUT:
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| 49 | one
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| 50 | two
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| 51 | ## END
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| 52 |
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| 53 | ## BUG mksh STDOUT:
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| 54 | two
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| 55 | ## END
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| 56 |
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| 57 | #### Changing PATH will invalidate PATH cache
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| 58 |
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| 59 | mkdir -p _tmp/bin
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| 60 | mkdir -p _tmp/bin2
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| 61 | printf '#!/usr/bin/env sh\necho hi\n' >_tmp/bin/hello
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| 62 | printf '#!/usr/bin/env sh\necho hey\n' >_tmp/bin2/hello
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| 63 | chmod +x _tmp/bin/hello
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| 64 | chmod +x _tmp/bin2/hello
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| 65 |
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| 66 | BIN=$PWD/_tmp/bin
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| 67 | BIN2=$PWD/_tmp/bin2
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| 68 |
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| 69 | # Will find _tmp/bin/hello
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| 70 | PATH="$BIN:$PATH" hello
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| 71 | echo status=$?
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| 72 |
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| 73 | # Should invalidate cache and then find _tmp/bin2/hello
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| 74 | PATH="$BIN2:$PATH" hello
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| 75 | echo status=$?
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| 76 |
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| 77 | # Same when PATH= and export PATH=
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| 78 | PATH="$BIN:$PATH"
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| 79 | hello
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| 80 | echo status=$?
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| 81 | PATH="$BIN2:$PATH"
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| 82 | hello
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| 83 | echo status=$?
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| 84 |
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| 85 | export PATH="$BIN:$PATH"
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| 86 | hello
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| 87 | echo status=$?
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| 88 | export PATH="$BIN2:$PATH"
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| 89 | hello
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| 90 | echo status=$?
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| 91 |
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| 92 | ## STDOUT:
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| 93 | hi
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| 94 | status=0
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| 95 | hey
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| 96 | status=0
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| 97 | hi
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| 98 | status=0
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| 99 | hey
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| 100 | status=0
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| 101 | hi
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| 102 | status=0
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| 103 | hey
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| 104 | status=0
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| 105 | ## END
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| 106 |
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| 107 | #### test builtin - Unexpected trailing word '--' (#2409)
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| 108 |
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| 109 | # Minimal repro of sqsh build error
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| 110 | set -- -o; test $# -ne 0 -a "$1" != "--"
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| 111 | echo status=$?
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| 112 |
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| 113 | # Now hardcode $1
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| 114 | test $# -ne 0 -a "-o" != "--"
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| 115 | echo status=$?
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| 116 |
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| 117 | # Remove quotes around -o
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| 118 | test $# -ne 0 -a -o != "--"
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| 119 | echo status=$?
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| 120 |
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| 121 | # How about a different flag?
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| 122 | set -- -z; test $# -ne 0 -a "$1" != "--"
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| 123 | echo status=$?
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| 124 |
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| 125 | # A non-flag?
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| 126 | set -- z; test $# -ne 0 -a "$1" != "--"
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| 127 | echo status=$?
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| 128 |
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| 129 | ## STDOUT:
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| 130 | status=0
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| 131 | status=0
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| 132 | status=0
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| 133 | status=0
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| 134 | status=0
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| 135 | ## END
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| 136 |
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| 137 | #### builtin cat crashes a subshell (#2530)
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| 138 |
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| 139 | ((/usr/bin/cat </dev/zero; echo $? >&7) | true) 7>&1
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| 140 |
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| 141 | ((cat </dev/zero; echo $? >&7) | true) 7>&1
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| 142 |
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| 143 | ## STDOUT:
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| 144 | 141
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| 145 | 141
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| 146 | ## END
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| 147 |
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| 148 | #### test builtin: ( = ) is confusing: equality test or non-empty string test
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| 149 |
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| 150 | # here it's equality
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| 151 | test '(' = ')'
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| 152 | echo status=$?
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| 153 |
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| 154 | # here it's like -n =
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| 155 | test 0 -eq 0 -a '(' = ')'
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| 156 | echo status=$?
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| 157 |
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| 158 | ## STDOUT:
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| 159 | status=1
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| 160 | status=0
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| 161 | ## END
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| 162 |
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| 163 | ## BUG zsh STDOUT:
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| 164 | status=0
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| 165 | status=1
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| 166 | ## END
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| 167 |
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| 168 | #### test builtin: ( == ) is confusing: equality test or non-empty string test
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| 169 |
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| 170 | # here it's equality
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| 171 | test '(' == ')'
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| 172 | echo status=$?
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| 173 |
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| 174 | # here it's like -n ==
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| 175 | test 0 -eq 0 -a '(' == ')'
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| 176 | echo status=$?
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| 177 |
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| 178 | ## STDOUT:
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| 179 | status=1
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| 180 | status=0
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| 181 | ## END
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| 182 |
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| 183 | ## BUG dash STDOUT:
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| 184 | status=0
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| 185 | status=0
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| 186 | ## END
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| 187 |
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| 188 | ## BUG-2 zsh status: 1
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| 189 | ## BUG-2 zsh STDOUT:
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| 190 | ## END
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| 191 |
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| 192 | #### Allowed: [[ = ]] and [[ == ]]
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| 193 |
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| 194 | [[ = ]]
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| 195 | echo status=$?
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| 196 | [[ == ]]
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| 197 | echo status=$?
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| 198 |
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| 199 | ## STDOUT:
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| 200 | status=0
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| 201 | status=0
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| 202 | ## END
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| 203 |
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| 204 | ## N-I dash STDOUT:
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| 205 | status=127
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| 206 | status=127
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| 207 | ## END
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| 208 |
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| 209 | ## BUG zsh status: 1
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| 210 | ## BUG zsh STDOUT:
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| 211 | status=0
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| 212 | ## END
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| 213 |
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| 214 | #### Not allowed: [[ ) ]] and [[ ( ]]
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| 215 |
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| 216 | [[ ) ]]
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| 217 | echo status=$?
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| 218 | [[ ( ]]
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| 219 | echo status=$?
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| 220 |
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| 221 | ## status: 2
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| 222 | ## OK mksh status: 1
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| 223 | ## STDOUT:
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| 224 | ## END
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| 225 | ## OK zsh status: 1
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| 226 | ## OK zsh STDOUT:
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| 227 | status=1
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| 228 | ## END
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| 229 |
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| 230 |
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| 231 | #### test builtin: ( x ) behavior is the same in both cases
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| 232 |
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| 233 | test '(' x ')'
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| 234 | echo status=$?
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| 235 |
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| 236 | test 0 -eq 0 -a '(' x ')'
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| 237 | echo status=$?
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| 238 |
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| 239 | ## STDOUT:
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| 240 | status=0
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| 241 | status=0
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| 242 | ## END
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