+++ /dev/null
-#!/usr/bin/perl
-
-
-use strict;
-use warnings;
-
-
-my $path = '/sys/class/power_supply/BAT0/uevent';
-
-# No battery available.
-if (! -e $path) {
- 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 %battery;
-
-open my $file, '<', $path or die $!;
-while (<$file>) {
- /^POWER_SUPPLY_([A-Z_]+)=(.+)$/;
- $battery{$1} = $2;
-}
-close $file;
-
-my $charge = int($battery{CHARGE_NOW} / $battery{CHARGE_FULL} * 100);
-
-# GNU screen mode with colors: 0-20 red, 20-40 yellow, 40-100 green.
-if ($screen_mode) {
- my $color;
- if ($charge < 20) {
- $color = 'b r';
- } elsif ($charge < 40) {
- $color = 'b y';
- } else {
- $color = 'b g';
- }
-
- print "\005{+$color}$charge%\005{-}\n";
-# Same in tmux mode.
-} elsif ($tmux_mode) {
- my $color;
- if ($charge < 20) {
- $color = 'red';
- } elsif ($charge < 40) {
- $color = 'yellow';
- } else {
- $color = 'green';
- }
-
- print "#[fg=$color,bold]$charge%#[default]\n";
-
-# Just text output.
-} else {
- print "$charge%\n";
-}