Asif, Thanks for your response. I am attaching the actual plugin in this email. However the actual regular expression line is below. if ($_=~ qr/$xgrep/mo){ $returnstring= "We have found $xgrep in $opfile"; nrpe definition is something like this command[check_filecontent_x64]=/usr/lib64/nagios/plugins/check_filetest -n $ARG1$ -G $ARG2$ -c $ARG3$ service definition is something like this check_nrpe -H whatever -c check_filecontent_x64 -a filename ".*foo*" 1 <div class="gmail_quote">On Wed, Mar 31, 2010 at 12:01 PM, Assaf Flatto <<a href="mailto:nagios@flatto.net">nagios@flatto.net</a>> wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> <div><div></div><div class="h5">shadih rahman wrote: > I have a plugin script which does non-greedy regular expression search > . Which works fine when invoked locally on the machine. However when > I call it via nrpe, it does greedy regular expression search. Can > someone shed some light into this? Thanks in advance > > -- > Cordially, > Shadhin Rahman </div></div>We could help more if we saw the regex and the nrpe definitions ( command and cfg file) -- Never,Ever Cut A Deal With a Dragon ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. <a href="http://p.sf.net/sfu/intel-sw-dev" target="_blank">http://p.sf.net/sfu/intel-sw-dev</a> _______________________________________________ Nagios-users mailing list <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null </blockquote></div> -- Cordially, Shadhin Rahman