| 1 | ## oils_failures_allowed: 0
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| 2 | ## compare_shells: dash bash mksh zsh
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| 3 | 
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| 4 | 
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| 5 | 
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| 6 | #### command -v
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| 7 | myfunc() { echo x; }
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| 8 | command -v echo
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| 9 | echo $?
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| 10 | 
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| 11 | command -v myfunc
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| 12 | echo $?
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| 13 | 
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| 14 | command -v nonexistent  # doesn't print anything
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| 15 | echo nonexistent=$?
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| 16 | 
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| 17 | command -v ''  # BUG FIX, shouldn't succeed
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| 18 | echo empty=$?
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| 19 | 
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| 20 | command -v for
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| 21 | echo $?
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| 22 | 
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| 23 | ## STDOUT:
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| 24 | echo
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| 25 | 0
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| 26 | myfunc
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| 27 | 0
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| 28 | nonexistent=1
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| 29 | empty=1
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| 30 | for
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| 31 | 0
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| 32 | ## OK dash STDOUT:
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| 33 | echo
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| 34 | 0
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| 35 | myfunc
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| 36 | 0
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| 37 | nonexistent=127
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| 38 | empty=127
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| 39 | for
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| 40 | 0
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| 41 | ## END
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| 42 | 
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| 43 | #### command -v with multiple names
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| 44 | # ALL FOUR SHELLS behave differently here!
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| 45 | #
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| 46 | # bash chooses to swallow the error!  We agree with zsh if ANY word lookup
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| 47 | # fails, then the whole thing fails.
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| 48 | 
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| 49 | myfunc() { echo x; }
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| 50 | command -v echo myfunc ZZZ for
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| 51 | echo status=$?
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| 52 | 
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| 53 | ## STDOUT:
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| 54 | echo
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| 55 | myfunc
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| 56 | for
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| 57 | status=1
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| 58 | ## BUG bash STDOUT:
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| 59 | echo
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| 60 | myfunc
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| 61 | for
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| 62 | status=0
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| 63 | ## BUG dash STDOUT: 
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| 64 | echo
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| 65 | status=0
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| 66 | ## OK mksh STDOUT: 
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| 67 | echo
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| 68 | myfunc
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| 69 | status=1
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| 70 | ## END
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| 71 | 
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| 72 | #### command -v doesn't find non-executable file
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| 73 | # PATH resolution is different
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| 74 | 
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| 75 | PATH="_tmp:$PATH"
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| 76 | touch _tmp/non-executable _tmp/executable
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| 77 | chmod +x _tmp/executable
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| 78 | 
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| 79 | command -v _tmp/non-executable
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| 80 | echo status=$?
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| 81 | 
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| 82 | command -v _tmp/executable
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| 83 | echo status=$?
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| 84 | 
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| 85 | ## STDOUT:
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| 86 | status=1
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| 87 | _tmp/executable
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| 88 | status=0
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| 89 | ## END
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| 90 | 
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| 91 | ## BUG dash STDOUT:
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| 92 | _tmp/non-executable
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| 93 | status=0
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| 94 | _tmp/executable
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| 95 | status=0
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| 96 | ## END
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| 97 | 
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| 98 | #### command -V
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| 99 | myfunc() { echo x; }
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| 100 | 
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| 101 | shopt -s expand_aliases
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| 102 | alias ll='ls -l'
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| 103 | 
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| 104 | backtick=\`
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| 105 | command -V ll | sed "s/$backtick/'/g"
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| 106 | echo status=$?
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| 107 | 
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| 108 | command -V echo
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| 109 | echo status=$?
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| 110 | 
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| 111 | command -V myfunc
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| 112 | echo status=$?
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| 113 | 
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| 114 | command -V nonexistent  # doesn't print anything
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| 115 | echo status=$?
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| 116 | 
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| 117 | command -V for
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| 118 | echo status=$?
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| 119 | 
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| 120 | ## STDOUT:
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| 121 | ll is an alias for "ls -l"
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| 122 | status=0
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| 123 | echo is a shell builtin
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| 124 | status=0
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| 125 | myfunc is a shell function
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| 126 | status=0
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| 127 | status=1
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| 128 | for is a shell keyword
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| 129 | status=0
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| 130 | ## END
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| 131 | 
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| 132 | ## OK zsh STDOUT:
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| 133 | ll is an alias for ls -l
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| 134 | status=0
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| 135 | echo is a shell builtin
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| 136 | status=0
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| 137 | myfunc is a shell function
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| 138 | status=0
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| 139 | nonexistent not found
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| 140 | status=1
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| 141 | for is a reserved word
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| 142 | status=0
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| 143 | ## END
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| 144 | 
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| 145 | ## OK bash STDOUT:
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| 146 | ll is aliased to 'ls -l'
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| 147 | status=0
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| 148 | echo is a shell builtin
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| 149 | status=0
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| 150 | myfunc is a function
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| 151 | myfunc () 
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| 152 | { 
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| 153 |     echo x
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| 154 | }
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| 155 | status=0
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| 156 | status=1
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| 157 | for is a shell keyword
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| 158 | status=0
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| 159 | ## END
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| 160 | 
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| 161 | ## OK mksh STDOUT:
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| 162 | ll is an alias for 'ls -l'
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| 163 | status=0
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| 164 | echo is a shell builtin
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| 165 | status=0
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| 166 | myfunc is a function
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| 167 | status=0
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| 168 | nonexistent not found
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| 169 | status=1
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| 170 | for is a reserved word
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| 171 | status=0
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| 172 | ## END
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| 173 | 
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| 174 | ## OK dash STDOUT:
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| 175 | ll is an alias for ls -l
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| 176 | status=0
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| 177 | echo is a shell builtin
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| 178 | status=0
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| 179 | myfunc is a shell function
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| 180 | status=0
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| 181 | nonexistent: not found
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| 182 | status=127
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| 183 | for is a shell keyword
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| 184 | status=0
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| 185 | ## END
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| 186 | 
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| 187 | #### command -V nonexistent
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| 188 | command -V nonexistent 2>err.txt
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| 189 | echo status=$?
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| 190 | fgrep -o 'nonexistent: not found' err.txt || true
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| 191 | 
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| 192 | ## STDOUT:
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| 193 | status=1
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| 194 | nonexistent: not found
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| 195 | ## END
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| 196 | 
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| 197 | ## OK zsh/mksh STDOUT:
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| 198 | nonexistent not found
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| 199 | status=1
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| 200 | ## END
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| 201 | 
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| 202 | ## BUG dash STDOUT:
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| 203 | nonexistent: not found
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| 204 | status=127
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| 205 | ## END
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| 206 | 
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| 207 | 
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| 208 | #### command skips function lookup
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| 209 | seq() {
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| 210 |   echo "$@"
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| 211 | }
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| 212 | command  # no-op
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| 213 | seq 3
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| 214 | command seq 3
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| 215 | # subshell shouldn't fork another process (but we don't have a good way of
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| 216 | # testing it)
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| 217 | ( command seq 3 )
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| 218 | ## STDOUT:
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| 219 | 3
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| 220 | 1
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| 221 | 2
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| 222 | 3
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| 223 | 1
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| 224 | 2
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| 225 | 3
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| 226 | ## END
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| 227 | 
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| 228 | #### command command seq 3
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| 229 | command command seq 3
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| 230 | ## STDOUT:
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| 231 | 1
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| 232 | 2
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| 233 | 3
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| 234 | ## END
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| 235 | ## N-I zsh stdout-json: ""
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| 236 | ## N-I zsh status: 127
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| 237 | 
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| 238 | #### command command -v seq
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| 239 | seq() {
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| 240 |   echo 3
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| 241 | }
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| 242 | command command -v seq
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| 243 | ## stdout: seq
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| 244 | ## N-I zsh stdout-json: ""
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| 245 | ## N-I zsh status: 127
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| 246 | 
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| 247 | #### command -p (override existing program)
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| 248 | # Tests whether command -p overrides the path
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| 249 | # tr chosen because we need a simple non-builtin
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| 250 | mkdir -p $TMP/bin
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| 251 | echo "echo wrong" > $TMP/bin/tr
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| 252 | chmod +x $TMP/bin/tr
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| 253 | PATH="$TMP/bin:$PATH"
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| 254 | echo aaa | tr "a" "b"
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| 255 | echo aaa | command -p tr "a" "b"
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| 256 | rm $TMP/bin/tr
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| 257 | ## STDOUT:
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| 258 | wrong
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| 259 | bbb
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| 260 | ## END
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| 261 | 
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| 262 | #### command -p (hide tool in custom path)
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| 263 | mkdir -p $TMP/bin
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| 264 | echo "echo hello" > $TMP/bin/hello
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| 265 | chmod +x $TMP/bin/hello
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| 266 | export PATH=$TMP/bin
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| 267 | command -p hello
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| 268 | ## status: 127 
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| 269 | 
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| 270 | #### command -p (find hidden tool in default path)
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| 271 | export PATH=''
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| 272 | command -p ls
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| 273 | ## status: 0
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| 274 | 
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| 275 | 
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| 276 | #### $(command type ls)
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| 277 | type() { echo FUNCTION; }
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| 278 | type
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| 279 | s=$(command type echo)
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| 280 | echo $s | grep builtin > /dev/null
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| 281 | echo status=$?
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| 282 | ## STDOUT:
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| 283 | FUNCTION
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| 284 | status=0
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| 285 | ## END
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| 286 | ## N-I zsh STDOUT:
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| 287 | FUNCTION
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| 288 | status=1
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| 289 | ## END
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| 290 | ## N-I mksh STDOUT:
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| 291 | status=1
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| 292 | ## END
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| 293 | 
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| 294 | #### builtin
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| 295 | cd () { echo "hi"; }
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| 296 | cd
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| 297 | builtin cd / && pwd
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| 298 | unset -f cd
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| 299 | ## STDOUT:
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| 300 | hi
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| 301 | /
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| 302 | ## END
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| 303 | ## N-I dash STDOUT:
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| 304 | hi
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| 305 | ## END
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| 306 | 
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| 307 | #### builtin ls not found
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| 308 | builtin ls
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| 309 | ## status: 1
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| 310 | ## N-I dash status: 127
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| 311 | 
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| 312 | #### builtin no args
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| 313 | builtin
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| 314 | ## status: 0
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| 315 | ## N-I dash status: 127
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| 316 | 
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| 317 | #### builtin command echo hi
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| 318 | builtin command echo hi
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| 319 | ## status: 0
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| 320 | ## stdout: hi
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| 321 | ## N-I dash status: 127
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| 322 | ## N-I dash stdout-json: ""
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