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Re: test for existance of external program

2005-04-12 17:08:44
On Tue, Apr 12, 2005 at 01:42:08PM -1000, Michael J Wise wrote:
On Apr 12, 2005, at 1:23 PM, Volker Kuhlmann wrote:

What's the recommended way for testing whether some external program
$PROG exists?

      :0
      * ? [ -f $PROG ]

Probably want -x rather than -f.  Programs are going to be executable.
Might also be good to check for readability and not a directory.

-- 
dman

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