Second IPC::Run can_run(), which is in core.

But if you really want to iterate over PATH, core module File::Spec has a path() that returns the components of PATH or the OS equivalent. It handles Windows (split on /;/<code> not <code>/:/) and I believe even VMS (SYS$PATH or something similar, not PATH).

In reply to Re: Check for another program availability by Anonymous Monk
in thread Check for another program availability by hrcerq

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