X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=bin%2Ftemperature.pl;h=42eaffe666eb0fe4fa1caf5f4f4ec45f2d11b9a8;hb=8e71f6b905ec7ef2105d59a949d784a64ce9a574;hp=e342dfdf2e31be052a53c172ccfc815a6aee8f91;hpb=705c4fe91473507d6c89e4e63123c7b6b30a9048;p=config%2Fdotfiles.git

diff --git a/bin/temperature.pl b/bin/temperature.pl
index e342dfd..42eaffe 100755
--- a/bin/temperature.pl
+++ b/bin/temperature.pl
@@ -1,20 +1,46 @@
 #!/usr/bin/perl
 
+# Copyright (C) 2011-2012  Simon Ruderich
+#
+# 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
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 
 use strict;
 use warnings;
 
 
-my $temperature_path = '/sys/devices/virtual/hwmon/hwmon0/temp1_input';
-my $critical_path    = '/sys/devices/virtual/hwmon/hwmon0/temp1_crit';
+if (scalar @ARGV != 1 and (scalar @ARGV != 2 or not $ARGV[0] =~ /-[st]/)) {
+    print STDERR "Usage: $0 [-s | -t] <path/to/device>\n";
+    print STDERR "\n";
+    print STDERR "Normally this is /sys/devices/platform/*.\n";
+    exit 1;
+}
+if (scalar @ARGV == 1) {
+    @ARGV = ('', $ARGV[0]);
+}
+
+my $temperature_path = "$ARGV[1]/temp1_input";
+my $critical_path    = "$ARGV[1]/temp1_crit";
 
 # No temperature information available.
-if (! -e $temperature_path || ! -e $critical_path) {
+if (not -e $temperature_path or not -e $critical_path) {
+    print STDERR "'$temperature_path' or '$critical_path' not found.\n";
     exit 1;
 }
 
-my $screen_mode = (defined $ARGV[0] and $ARGV[0] eq '-s');
-my $tmux_mode   = (defined $ARGV[0] and $ARGV[0] eq '-t');
+my $screen_mode = ($ARGV[0] eq '-s');
+my $tmux_mode   = ($ARGV[0] eq '-t');
 
 my $temperature;
 my $critical;
@@ -22,14 +48,16 @@ my $critical;
 my $file;
 open $file, '<', $temperature_path or die $!;
 $temperature = <$file>;
-close $file;
+close $file or die $!;
 open $file, '<', $critical_path or die $!;
 $critical = <$file>;
-close $file;
+close $file or die $!;
 
 my $value = int($temperature / 1000);
 my $risk  = ($critical - $temperature)/$critical;
 
+$value .= "\xb0"; # degree symbol in UTF-8
+
 # GNU screen mode with colors.
 if ($screen_mode) {
     my $color;