Re: [SLUG] whats the best way?

From: billt (billt@ifelse.org)
Date: Tue Jul 31 2001 - 10:55:10 EDT


On Tue, Jul 31, 2001 at 09:03:17AM -0400, Mikes work account wrote:
>
> There are lots of ways to verify a file exists before acting on it. What is
> the cleanest and most efficient way to verify the existence of a file in a
> directory, from a script run from cron?
>
> my example: ls <file> && <execute program>
>
> Is there a better way?

test -f <file> && ...
or test by another name:
[ -f <file> ] && ...

[ = test, with the requirement that it eventuallt encounters a closing ]

check out man test or man [ it does many other tests, too.



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