X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=bin%2Fbattery.pl;h=ed57666deaaace5b80dc4dd1dfc870b2c7a3fd76;hb=705c4fe91473507d6c89e4e63123c7b6b30a9048;hp=6a9ce2cbb21f55c1799cf6bbfc7cfee04fa0d4aa;hpb=ebdf67298438e5c29550f6e3020b0b313ad50777;p=config%2Fdotfiles.git

diff --git a/bin/battery.pl b/bin/battery.pl
index 6a9ce2c..ed57666 100755
--- a/bin/battery.pl
+++ b/bin/battery.pl
@@ -9,7 +9,7 @@ my $path = '/sys/class/power_supply/BAT0/uevent';
 
 # No battery available.
 if (! -e $path) {
-    exit;
+    exit 1;
 }
 
 my $screen_mode = (defined $ARGV[0] and $ARGV[0] eq '-s');
@@ -17,7 +17,7 @@ my $tmux_mode   = (defined $ARGV[0] and $ARGV[0] eq '-t');
 
 my %battery;
 
-open my $file, '<', $path;
+open my $file, '<', $path or die $!;
 while (<$file>) {
     /^POWER_SUPPLY_([A-Z_]+)=(.+)$/;
     $battery{$1} = $2;
@@ -38,6 +38,7 @@ if ($screen_mode) {
     }
 
     print "\005{+$color}$charge%\005{-}\n";
+
 # Same in tmux mode.
 } elsif ($tmux_mode) {
     my $color;
@@ -51,7 +52,7 @@ if ($screen_mode) {
 
     print "#[fg=$color,bold]$charge%#[default]\n";
 
-# Just text output.
+# Plain text output.
 } else {
     print "$charge%\n";
 }