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#!/bin/bash |
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|
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### command -v |
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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 $? |
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command -v for |
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echo $? |
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## STDOUT: |
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echo |
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0 |
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myfunc |
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0 |
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1 |
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for |
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0 |
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## OK dash STDOUT: |
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echo |
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0 |
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myfunc |
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0 |
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127 |
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for |
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0 |
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## END |
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|
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### command -v with multiple names |
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# ALL FOUR SHELLS behave differently here! |
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# |
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# bash chooses to swallow the error! We agree with zsh if ANY word lookup |
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# fails, then the whole thing fails. |
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|
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myfunc() { echo x; } |
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command -v echo myfunc ZZZ for |
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echo status=$? |
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|
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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 |