90 lines
1.9 KiB
Bash
90 lines
1.9 KiB
Bash
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#!/usr/bin/perl
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#
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# Copyright 2014 Pierre Mavro <deimos@deimos.fr>
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# Copyright 2014 Vivien Didelot <vivien@didelot.org>
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#
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# Licensed under the terms of the GNU GPL v3, or any later version.
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#
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# This script is meant to use with i3blocks. It parses the output of the "acpi"
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# command (often provided by a package of the same name) to read the status of
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# the battery, and eventually its remaining time (to full charge or discharge).
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#
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# The color will gradually change for a percentage below 85%, and the urgency
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# (exit code 33) is set if there is less that 5% remaining.
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use strict;
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use warnings;
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use utf8;
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my $acpi;
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my $status;
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my $percent;
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my $ac_adapt;
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my $full_text;
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my $short_text;
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my $bat_number = $ENV{BLOCK_INSTANCE} || 0;
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# read the first line of the "acpi" command output
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open (ACPI, "acpi -b | grep 'Battery $bat_number' |") or die;
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$acpi = <ACPI>;
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close(ACPI);
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# fail on unexpected output
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if ($acpi !~ /: (\w+), (\d+)%/) {
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die "$acpi\n";
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}
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$status = $1;
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$percent = $2;
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$full_text = "$percent%";
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if ($status eq 'Discharging') {
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$full_text .= ' DIS';
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} elsif ($status eq 'Charging') {
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$full_text .= ' CHR';
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} elsif ($status eq 'Unknown') {
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open (AC_ADAPTER, "acpi -a |") or die;
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$ac_adapt = <AC_ADAPTER>;
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close(AC_ADAPTER);
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if ($ac_adapt =~ /: ([\w-]+)/) {
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$ac_adapt = $1;
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if ($ac_adapt eq 'on-line') {
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$full_text .= ' CHR';
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} elsif ($ac_adapt eq 'off-line') {
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$full_text .= ' DIS';
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}
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}
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}
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$short_text = $full_text;
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if ($acpi =~ /(\d\d:\d\d):/) {
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$full_text .= " ($1)";
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}
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# print text
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print "$full_text\n";
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print "$short_text\n";
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# consider color and urgent flag only on discharge
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if ($status eq 'Discharging') {
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if ($percent < 20) {
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print "#FF0000\n";
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} elsif ($percent < 40) {
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print "#FFAE00\n";
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} elsif ($percent < 60) {
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print "#FFF600\n";
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} elsif ($percent < 85) {
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print "#A8FF00\n";
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}
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if ($percent < 5) {
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exit(33);
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}
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}
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exit(0);
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