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## 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 |
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myfunc() { echo x; }
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command -v echo
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echo $?
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command -v myfunc
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echo $?
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command -v nonexistent # doesn't print anything
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echo nonexistent=$?
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command -v '' # BUG FIX, shouldn't succeed
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echo empty=$?
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command -v for
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echo $?
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## STDOUT:
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echo
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0
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myfunc
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0
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nonexistent=1
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empty=1
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30 |
for
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31 |
0
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## OK dash STDOUT:
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echo
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0
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myfunc
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0
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nonexistent=127
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empty=127
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for
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0
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## END
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# ALL FOUR SHELLS behave differently here!
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#
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# bash chooses to swallow the error! We agree with zsh if ANY word lookup
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# fails, then the whole thing fails.
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myfunc() { echo x; }
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command -v echo myfunc ZZZ for
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echo status=$?
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## STDOUT:
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echo
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myfunc
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for
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status=1
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## BUG bash STDOUT:
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echo
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myfunc
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for
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status=0
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## BUG dash STDOUT:
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echo
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status=0
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## OK mksh STDOUT:
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echo
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myfunc
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status=1
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## END
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# PATH resolution is different
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PATH="_tmp:$PATH"
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touch _tmp/non-executable _tmp/executable
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chmod +x _tmp/executable
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command -v _tmp/non-executable
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echo status=$?
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command -v _tmp/executable
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echo status=$?
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## STDOUT:
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status=1
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_tmp/executable
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status=0
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## END
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## BUG dash STDOUT:
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_tmp/non-executable
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status=0
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_tmp/executable
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status=0
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## END
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myfunc() { echo x; }
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shopt -s expand_aliases
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alias ll='ls -l'
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backtick=\`
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command -V ll | sed "s/$backtick/'/g"
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echo status=$?
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command -V echo
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echo status=$?
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110 |
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command -V myfunc
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echo status=$?
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command -V nonexistent # doesn't print anything
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echo status=$?
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command -V for
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118 |
echo status=$?
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119 |
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## STDOUT:
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ll is an alias for "ls -l"
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status=0
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echo is a shell builtin
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124 |
status=0
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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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## END
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131 |
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## 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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for is a reserved word
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142 |
status=0
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## END
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144 |
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## OK bash STDOUT:
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ll is aliased to 'ls -l'
|
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 ()
|
152 |
{
|
153 |
echo x
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}
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155 |
status=0
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156 |
status=1
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for is a shell keyword
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status=0
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## END
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## OK mksh STDOUT:
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ll is an alias for 'ls -l'
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status=0
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echo is a shell builtin
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165 |
status=0
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myfunc is a function
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status=0
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nonexistent not found
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status=1
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for is a reserved word
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status=0
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## END
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## OK dash STDOUT:
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ll is an alias for ls -l
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status=0
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echo is a shell builtin
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status=0
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myfunc is a shell function
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status=0
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nonexistent: not found
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status=127
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for is a shell keyword
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status=0
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## END
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command -V nonexistent 2>err.txt
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echo status=$?
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fgrep -o 'nonexistent: not found' err.txt || true
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191 |
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## STDOUT:
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status=1
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nonexistent: not found
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## END
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## 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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## BUG dash STDOUT:
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nonexistent: not found
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204 |
status=127
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## END
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206 |
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207 |
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208 |
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209 |
seq() {
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210 |
echo "$@"
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}
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212 |
command # no-op
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213 |
seq 3
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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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# testing it)
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217 |
( command seq 3 )
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218 |
## STDOUT:
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3
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220 |
1
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2
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3
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1
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2
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3
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226 |
## END
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227 |
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228 |
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command command seq 3
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230 |
## STDOUT:
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1
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232 |
2
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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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239 |
seq() {
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echo 3
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}
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242 |
command command -v seq
|
243 |
## stdout: seq
|
244 |
## N-I zsh stdout-json: ""
|
245 |
## N-I zsh status: 127
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246 |
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247 |
|
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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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"
|
255 |
echo aaa | command -p tr "a" "b"
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256 |
rm $TMP/bin/tr
|
257 |
## STDOUT:
|
258 |
wrong
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259 |
bbb
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260 |
## END
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261 |
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262 |
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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 |
|
270 |
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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 |
|
275 |
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276 |
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277 |
type() { echo FUNCTION; }
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278 |
type
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279 |
s=$(command type echo)
|
280 |
echo $s | grep builtin > /dev/null
|
281 |
echo status=$?
|
282 |
## STDOUT:
|
283 |
FUNCTION
|
284 |
status=0
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285 |
## END
|
286 |
## N-I zsh STDOUT:
|
287 |
FUNCTION
|
288 |
status=1
|
289 |
## END
|
290 |
## N-I mksh STDOUT:
|
291 |
status=1
|
292 |
## END
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293 |
|
294 |
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295 |
cd () { echo "hi"; }
|
296 |
cd
|
297 |
builtin cd / && pwd
|
298 |
unset -f cd
|
299 |
## STDOUT:
|
300 |
hi
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301 |
/
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302 |
## END
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303 |
## N-I dash STDOUT:
|
304 |
hi
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305 |
## END
|
306 |
|
307 |
|
308 |
builtin ls
|
309 |
## status: 1
|
310 |
## N-I dash status: 127
|
311 |
|
312 |
|
313 |
builtin
|
314 |
## status: 0
|
315 |
## N-I dash status: 127
|
316 |
|
317 |
|
318 |
builtin command echo hi
|
319 |
## status: 0
|
320 |
## stdout: hi
|
321 |
## N-I dash status: 127
|
322 |
## N-I dash stdout-json: ""
|