setup.sh: Use sed_i().

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

diff --git a/bin/battery.pl b/bin/battery.pl
index ed57666deaaace5b80dc4dd1dfc870b2c7a3fd76..9a6a9760b1705652953d0c40d454937538aefd62 100755 (executable)
--- a/bin/battery.pl
+++ b/bin/battery.pl
@@ -1,5 +1,20 @@
 #!/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;
@@ -22,7 +37,7 @@ while (<$file>) {
     /^POWER_SUPPLY_([A-Z_]+)=(.+)$/;
     $battery{$1} = $2;
 }
-close $file;
+close $file or die $!;
 
 my $charge = int($battery{CHARGE_NOW} / $battery{CHARGE_FULL} * 100);