Re: Number of files in a directory?

[Adams, Russell L.]

Only to use:

/usr/bin/test `find /var/spool/mqueue -type f -name 'q*' | wc -l` -ge 12

instead of ls and grep and expr. ;]

Russell

On Thu, Mar 10, 2005 at 03:49:10PM -0500, nathan r. hruby wrote:
> Hi,
> 
> Here's something that I'm sure someone else has solved..
> 
> I'd like to monitor the number of files in /var/spool/mqueue and do 3
> things when it hits a threshold:
> - Fire off a warning
> - run sendmail -q
> - Run a shell command to nuke some things (like SPAM!)
> 
> So,  here's what I have now, which seems fairly inelegant:
> ----BEGIN SNIP
> classes:
>       # See if we're overlimt
>       MailqueOverLimit = ( ReturnsZero(/bin/sh -c "expr `ls 
>       /var/spool/mqueue/ | grep q.*| wc -l`  \> 12 > /dev/null") )
> 
> alerts:
>       # Tell us if we're overlimit (it'd be nice to have the actual
>       # number...)
>         MailqueOverLimit::
>                 "WARNING: Mail queue is overlimit on $(fqhost)" ifelapsed=60
> 
> shellcommands:
>       # Do something to make us not overlimit
>         MailqueOverLimit::
>               "$(nuke_spam_bounces)"
>               "$(run_a_qrunner)"
> ----END SNIP
> 
> This seems kinda like a kludge.  Anyone have any better suggestions for
> monitoring the number of files in a directory?
> 
> Thanks!
> 
> -n
> 
> -- 
> -------------------------------------------
> nathan hruby <nhruby@uga.edu>
> uga enterprise information technology services
> production systems support
> metaphysically wrinkle-free
> -------------------------------------------
> 
> 
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