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Re: filter utility to send cron e-mail only if unexpected output



On Wed, May 06, 2009 at 11:27:55AM -0400, Barclay, Daniel wrote:
> Does Debian have any utility to address the following situation?
> 
> I have some scripts that I run both manually and as cron jobs.  The scripts
> generate stdout/stderr output reporting what they're doing.
> 
> I want to see the output when I run the scripts manually.  However, when the
> scripts are run by cron, normally I don't want cron to e-mail me that bulky
> output for each run--I want the output (the full output) only when the output
> is different than expected (e.g., if something has gone wrong or has changed,
> which I want to notice).

Why not rewrite the scripts to take a command-line option such as either
-q (quiet) or -v (verbose), and have it print out the required detail
depending on the option?  Then have that option supplied by cron when
its run (or by you when you run it manually).

Doug.


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