diff -r 8a45104fe330 -r f36f557048be check_rsnapshot.pl
--- a/check_rsnapshot.pl	Wed Jun 15 13:39:14 2011 +0200
+++ b/check_rsnapshot.pl	Tue Nov 01 15:28:38 2011 +0100
@@ -20,6 +20,7 @@
 use strict;
 use File::Basename;
 use Getopt::Long;
+use Compress::Zlib;
 use Date::Manip;
 use Pod::Usage;
 use if $ENV{DEBUG} => "Smart::Comments";
@@ -37,7 +38,7 @@
 sub version($$);
 
 my $ME      = basename $0;
-my $VERSION = "2.2";
+my $VERSION = "2.3";
 
 my %opt = (
     binary  => "/usr/bin/rsnapshot",
@@ -69,6 +70,10 @@
         exit $ERRORS{CRITICAL};
     }
 
+	if ( (localtime)[3] == 1 ) {
+		$opt{logfile} = "$opt{logfile}.1.gz";
+	}
+
     if ( -z $opt{logfile} ) {
         print "RSNAPSHOT WARNING: logfile $opt{logfile} - has zero size\n";
         exit $ERRORS{WARNING};
@@ -94,17 +99,33 @@
         exit $ERRORS{CRITICAL};
     }
 
-    open( FH, $logfile )
-      or print "RSNAPSHOT CRITICAL: $logfile - $!\n" and exit $ERRORS{CRITICAL};
-    while (<FH>) {
-        next unless (/^\[$date/);
-        if (/^\[$date:.*ERROR/) {
-            $error = $_;
-            last;
-        }
-        $found_date = 1;
-    }
-    close(FH);
+	if ($logfile =~ /\.gz$/) {
+		my $gz = gzopen($logfile, "rb")
+			or print "RSNAPSHOT CRITICAL: Cannot open $logfile: $gzerrno\n" and exit $ERRORS{CRITICAL};
+		while ($gz->gzreadline($_) > 0) {
+			next unless (/^\[$date/);
+			if (/^\[$date:.*ERROR/) {
+				$error = $_;
+				last;
+			}
+			$found_date = 1;
+		}
+		print "RSNAPSHOT CRITICAL: Error reading from $logfile: $gzerrno\n" and exit $ERRORS{CRITICAL}
+			if $gzerrno != Z_STREAM_END;
+		$gz->gzclose();
+	} else {
+    	open( FH, $logfile )
+	  		or print "RSNAPSHOT CRITICAL: $logfile - $!\n" and exit $ERRORS{CRITICAL};
+		while (<FH>) {
+			next unless (/^\[$date/);
+			if (/^\[$date:.*ERROR/) {
+				$error = $_;
+				last;
+			}
+			$found_date = 1;
+		}
+		close(FH);
+	}
 
     unless ($found_date) {
         $error = "can't find rsnapshot run from [$date]\n";
@@ -192,7 +213,7 @@
 
 =head1 VERSION
 
-This man page is current for version 2.2 of check_rsnapshot.
+This man page is current for version 2.3 of check_rsnapshot.
 
 =head1 AUTHOR