#!/usr/bin/perl 
# $Id: filesize.pl 230 2006-09-30 20:11:05Z touche $
#  julien.touche@touche.fr.st
#
# Added use strict, warning, treshold for min size
#
# from http://www.nagiosexchange.org/NRPE_Plugins.66.0.html?&tx_netnagext_pi1[p_view]=81
#################################################
# Small quick and dirty perl example from Larry #
#################################################
# downloaded from http://exchange.nagios.org/directory/Plugins/System-Metrics/File-System/filesize-2Epl/details
# by zobel 2012-01-02

use strict;

if($#ARGV+1!=3 || ! -f $ARGV[0]){
    print "Usage: \"Filename\" \"Critical filesize\" \"Warning filesize\"\n";
    print " exemples: $0 <file> 1024 512\n";
    print " exemples: $0 <file> 16:1024 128:512\n";
    exit 0;
}
my $exit=0;
my ($file,$maxwarn,$maxcrit,$minwarn,$mincrit);
$file = $ARGV[0];
$maxcrit = $ARGV[1];
if ($maxcrit =~ m/([0-9].+):([0-9].+)/) {
    $mincrit = $1;
    $maxcrit = $2;
}
$maxwarn = $ARGV[2];
if ($maxwarn =~ m/([0-9].+):([0-9].+)/) {
    $minwarn = $1;
    $maxwarn = $2;
}

my $size= (-s $file);

if ($size>$maxcrit) {
    print "Critical: Filesize of '$file' too large $size > $maxcrit.\n";$exit=2;
} elsif (defined($mincrit) && $size < $mincrit) {
    print "Critical: Filesize of '$file' too small $size < $mincrit.\n";$exit=2;
} elsif ($size>$maxwarn) {
    print "Warning: Filesize of '$file' $size > $maxwarn.\n";$exit=1;
} elsif (defined($minwarn) && $size < $minwarn) {
    print "Warning: Filesize of '$file' $size < $minwarn.\n";$exit=1;
} else {
    print "OK: Filesize of '$file' $size.\n"; $exit = 0;
}
exit $exit;