From: Masahiro Yamada
> Sent: 03 June 2019 11:49
>
> To print the pathname that will be used by shell in the current
> environment, 'command -v' is a standardized way. [1]
>
> 'which' is also often used in scripting, but it is not portable.
All uses of 'which' should be expunged.
It is a bourne shell script that is trying to emulate a csh builtin.
It is doomed to fail in corner cases.
ISTR it has serious problems with shell functions and aliases.
David
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