Erik Faye-Lund <> writes:

>> Neither is which, no?
> Oooh, right. Thanks for noticing. So I guess I should try to run it
> instead. From the  POSIX spec,...

If you assume POSIX.1, there is "type".

    $ type frotz ; echo $?
    frotz is /usr/games/frotz
    $ type frobnitz ; echo $?
    bash: type: frobnitz: not found
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