--- a/check_hddtemp.pl	Thu Aug 02 11:03:44 2012 +0200
+++ b/check_hddtemp.pl	Mon Jun 08 13:54:30 2015 +0200
@@ -1,6 +1,7 @@
 #! /usr/bin/perl -w
 
 #    Copyright (C) 2012  Christian Arnold
+#    Copyright (C) 2015  Matthias Förste
 #
 #    This program is free software: you can redistribute it and/or modify
 #    it under the terms of the GNU General Public License as published by
@@ -27,7 +28,7 @@
 $ENV{LC_ALL} = "C";
 
 sub version($$);
-sub hddtemp($$$$);
+sub hddtemp($$$$$);
 
 my %ERRORS = (
     OK        => 0,
@@ -39,14 +40,15 @@
 
 my $ME      = basename $0;
 my $NAME    = "HDDTEMP";
-my $VERSION = "1.6";
+my $VERSION = "1.7";
 
 my ( @devices, @output );
 
 my %opt = (
     "warning"  => 55,
     "critical" => 65,
-    "devices"  => "/dev/sda,/dev/sdb",
+    "devices"  => 'all',
+    "exclude"  => '/dev/sg',
     "binary"   => "/usr/sbin/hddtemp"
 );
 
@@ -55,6 +57,7 @@
     GetOptions(
         "b|binary=s"   => \$opt{binary},
         "d|devices=s"  => \$opt{devices},
+        "x|exclude=s"  => \$opt{exclude},
         "w|warning=i"  => \$opt{warning},
         "c|critical=i" => \$opt{critical},
         "h|help" => sub { pod2usage( -verbose => 1, -exitval => $ERRORS{OK} ) },
@@ -62,11 +65,11 @@
         "V|version" => sub { version( $ME, $VERSION ); exit $ERRORS{OK}; }
     ) or pod2usage( -verbose => 1, -exitval => $ERRORS{CRITICAL} );
 
-    hddtemp( $opt{binary}, $opt{devices}, $opt{warning}, $opt{critical} );
+    hddtemp( $opt{binary}, $opt{devices}, $opt{warning}, $opt{critical}, $opt{exclude} );
 }
 
-sub hddtemp($$$$) {
-    my ( $binary, $devices, $warning, $critical ) = @_;
+sub hddtemp($$$$$) {
+    my ( $binary, $devices, $warning, $critical, $exclude ) = @_;
     my $rc;
     my %temp;
 
@@ -75,7 +78,12 @@
         exit $ERRORS{CRITICAL};
     }
 
-    my @devices = split( /,/, $devices );
+    my @devices;
+    if ($devices eq 'all') {
+        @devices =  grep { not /$exclude/; } glob "/dev/[hs]d? /dev/cciss/c[0-9]d[0-9] /dev/tw[ael][0-9] /dev/sg*";
+    } elsif (defined $devices) {
+        @devices = split( /,/, $devices );
+    }
 
     foreach my $dev (@devices) {
         if ( !-r $dev ) {
@@ -186,7 +194,12 @@
 
 =item B<-d>|B<--devices>
 
-Device drive path (default: /dev/sda,/dev/sdb)
+Device drive path (default: all we can find)
+
+=item B<-x>|B<--exclude>
+
+A regular expression matching all devices we do not want to check (default:
+'/dev/sg')
 
 =item B<-h>|B<--help>
 
@@ -208,15 +221,16 @@
 
 =head1 VERSION
 
-This man page is current for version 1.6 of B<check_hddtemp>.
+This man page is current for version 1.7 of B<check_hddtemp>.
 
 =head1 AUTHOR
 
-Written by Christian Arnold L<arnold@schlittermann.de>
+Written by Christian Arnold L<arnold@schlittermann.de>, Matthias Förste L<förste@schlittermann.de>
 
 =head1 COPYRIGHT
 
-Copyright (C) 2012 by Christian Arnold and Schlittermann internet & unix support.
+Copyright (C) 2012 by Christian Arnold and Schlittermann internet & unix
+support, (C) 2015 by Matthias Förste and Schlittermann internet & unix support.
 This is free software, and you are welcome to redistribute it under certain conditions.
 See the GNU General Public Licence for details.