shell/aliases: add h alias for htop

[config/dotfiles.git] / bin / temperature.pl

diff --git a/bin/temperature.pl b/bin/temperature.pl
index 0063bf4ffb510aebf23faa243c6313c69b834ff0..42eaffe666eb0fe4fa1caf5f4f4ec45f2d11b9a8 100755 (executable)
--- a/bin/temperature.pl
+++ b/bin/temperature.pl
@@ -20,16 +20,27 @@ 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;
@@ -45,6 +56,8 @@ 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;