| 1 | #
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| 2 | # Miscellaneous tests for the command language.
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| 3 | 
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| 4 | #### Command block
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| 5 | PATH=/bin
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| 6 | 
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| 7 | { which ls; }
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| 8 | ## stdout: /bin/ls
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| 9 | 
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| 10 | #### Permission denied
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| 11 | touch $TMP/text-file
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| 12 | $TMP/text-file
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| 13 | ## status: 126
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| 14 | 
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| 15 | #### Not a dir
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| 16 | $TMP/not-a-dir/text-file
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| 17 | ## status: 127
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| 18 | 
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| 19 | #### Name too long
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| 20 | ./0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
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| 21 | ## status: 127
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| 22 | ## OK dash status: 2
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| 23 | ## OK bash status: 126
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| 24 | 
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| 25 | #### External programs don't have _OVM in environment
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| 26 | # bug fix for leakage
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| 27 | env | grep _OVM
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| 28 | echo status=$?
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| 29 | ## stdout: status=1
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| 30 | 
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| 31 | #### File with no shebang is executed
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| 32 | # most shells execute /bin/sh; bash may execute itself
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| 33 | echo 'echo hi' > $TMP/no-shebang
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| 34 | chmod +x $TMP/no-shebang
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| 35 | $SH -c '$TMP/no-shebang'
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| 36 | ## stdout: hi
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| 37 | ## status: 0
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| 38 | 
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| 39 | #### File with relative path and no shebang is executed
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| 40 | cd $TMP
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| 41 | echo 'echo hi' > no-shebang
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| 42 | chmod +x no-shebang
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| 43 | "$SH" -c './no-shebang'
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| 44 | ## stdout: hi
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| 45 | ## status: 0
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| 46 | 
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| 47 | #### File in relative subdirectory and no shebang is executed
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| 48 | cd $TMP
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| 49 | mkdir -p test-no-shebang
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| 50 | echo 'echo hi' > test-no-shebang/script
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| 51 | chmod +x test-no-shebang/script
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| 52 | "$SH" -c 'test-no-shebang/script'
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| 53 | ## stdout: hi
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| 54 | ## status: 0
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| 55 | 
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| 56 | #### $PATH lookup
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| 57 | cd $TMP
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| 58 | mkdir -p one two
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| 59 | echo 'echo one' > one/mycmd
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| 60 | echo 'echo two' > two/mycmd
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| 61 | chmod +x one/mycmd two/mycmd
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| 62 | 
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| 63 | PATH='one:two'
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| 64 | mycmd
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| 65 | ## STDOUT:
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| 66 | one
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| 67 | ## END
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| 68 | 
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| 69 | #### filling $PATH cache, then insert the same command earlier in cache
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| 70 | cd $TMP
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| 71 | PATH="one:two:$PATH"
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| 72 | mkdir -p one two
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| 73 | rm -f one/* two/*
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| 74 | echo 'echo two' > two/mycmd
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| 75 | chmod +x two/mycmd
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| 76 | mycmd
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| 77 | 
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| 78 | # Insert earlier in the path
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| 79 | echo 'echo one' > one/mycmd
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| 80 | chmod +x one/mycmd
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| 81 | mycmd  # still runs the cached 'two'
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| 82 | 
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| 83 | # clear the cache
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| 84 | hash -r
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| 85 | mycmd  # now it runs the new 'one'
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| 86 | 
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| 87 | ## STDOUT:
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| 88 | two
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| 89 | two
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| 90 | one
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| 91 | ## END
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| 92 | 
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| 93 | # zsh doesn't do caching!
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| 94 | ## OK zsh STDOUT:
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| 95 | two
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| 96 | one
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| 97 | one
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| 98 | ## END
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| 99 | 
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| 100 | #### filling $PATH cache, then deleting command
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| 101 | cd $TMP
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| 102 | PATH="one:two:$PATH"
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| 103 | mkdir -p one two
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| 104 | rm -f one/mycmd two/mycmd
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| 105 | 
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| 106 | echo 'echo two' > two/mycmd
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| 107 | chmod +x two/mycmd
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| 108 | mycmd
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| 109 | echo status=$?
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| 110 | 
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| 111 | # Insert earlier in the path
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| 112 | echo 'echo one' > one/mycmd
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| 113 | chmod +x one/mycmd
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| 114 | rm two/mycmd
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| 115 | mycmd  # still runs the cached 'two'
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| 116 | echo status=$?
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| 117 | 
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| 118 | ## STDOUT:
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| 119 | two
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| 120 | status=0
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| 121 | status=127
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| 122 | ## END
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| 123 | 
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| 124 | # mksh and zsh correctly searches for the executable again!
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| 125 | ## OK zsh/mksh STDOUT:
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| 126 | two
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| 127 | status=0
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| 128 | one
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| 129 | status=0
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| 130 | ## END
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| 131 | 
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| 132 | #### Non-executable on $PATH
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| 133 | 
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| 134 | # shells differ in whether they actually execve('one/cmd') and get EPERM
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| 135 | 
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| 136 | mkdir -p one two
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| 137 | PATH="one:two:$PATH"
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| 138 | 
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| 139 | rm -f one/mycmd two/mycmd
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| 140 | echo 'echo one' > one/mycmd
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| 141 | echo 'echo two' > two/mycmd
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| 142 | 
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| 143 | # only make the second one executable
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| 144 | chmod +x two/mycmd
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| 145 | mycmd
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| 146 | echo status=$?
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| 147 | 
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| 148 | ## STDOUT:
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| 149 | two
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| 150 | status=0
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| 151 | ## END
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| 152 | 
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| 153 | #### hash without args prints the cache
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| 154 | whoami >/dev/null
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| 155 | hash
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| 156 | echo status=$?
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| 157 | ## STDOUT:
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| 158 | /usr/bin/whoami
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| 159 | status=0
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| 160 | ## END
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| 161 | 
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| 162 | # bash uses a weird table.  Although we could use TSV2.
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| 163 | ## OK bash stdout-json: "hits\tcommand\n   1\t/usr/bin/whoami\nstatus=0\n"
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| 164 | 
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| 165 | ## OK mksh/zsh STDOUT:
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| 166 | whoami=/usr/bin/whoami
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| 167 | status=0
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| 168 | ## END
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| 169 | 
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| 170 | #### hash with args
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| 171 | hash whoami
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| 172 | echo status=$?
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| 173 | hash | grep -o /whoami  # prints it twice
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| 174 | hash _nonexistent_
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| 175 | echo status=$?
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| 176 | ## STDOUT:
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| 177 | status=0
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| 178 | /whoami
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| 179 | status=1
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| 180 | ## END
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| 181 | 
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| 182 | # mksh doesn't fail
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| 183 | ## BUG mksh STDOUT:
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| 184 | status=0
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| 185 | /whoami
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| 186 | status=0
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| 187 | ## END
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| 188 | 
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| 189 | #### hash -r doesn't allow additional args
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| 190 | hash -r whoami >/dev/null  # avoid weird output with mksh
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| 191 | echo status=$?
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| 192 | ## stdout: status=1
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| 193 | ## OK osh stdout: status=2
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| 194 | ## BUG dash/bash stdout: status=0
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