sharparam.com
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1#!/usr/bin/env ruby
2# encoding: utf-8
3
4require 'ostruct'
5
6FA_LIGHTNING = "<span color='yellow'><span font='FontAwesome'>\uf0e7</span></span>"
7FA_PLUG = "<span font='FontAwesome'>\uf1e6</span>"
8FA_UNKNOWN = "<span font='FontAwesome'>\uf128</span>"
9
10def color(percent)
11 if percent < 10
12 '#FF0000'
13 elsif percent < 20
14 '#FF3300'
15 elsif percent < 30
16 '#FF6600'
17 elsif percent < 40
18 '#FF9900'
19 elsif percent < 50
20 '#FFCC00'
21 elsif percent < 60
22 '#FFFF00'
23 elsif percent < 70
24 '#FFFF33'
25 elsif percent < 80
26 '#FFFF66'
27 else
28 '#FFFFFF'
29 end
30end
31
32def batt_symbol(percent)
33 if percent < 10
34 "\uf244" #
35 elsif percent < 40
36 "\uf243" #
37 elsif percent < 60
38 "\uf242" #
39 elsif percent < 80
40 "\uf241" #
41 else
42 "\uf240" #
43 end
44end
45
46def batt_to_s(batteries, battery, short = false)
47 output = battery[:status] == :charging ? (FA_LIGHTNING + ' ') : ''
48 batt_color = batteries.all? { |b| b[:percent] < 10 } ? '#FFFFFF' : color(battery[:percent])
49 if short
50 output += "<span color='#{batt_color}' font='FontAwesome'>#{batt_symbol battery[:percent]}</span>"
51 else
52 output += "#{battery[:id]}: <span color='#{batt_color}'>#{battery[:percent]}%</span>"
53 output += " #{battery[:hours].round 1}h" if [:discharging, :charging].include? battery[:status]
54 end
55
56 output
57end
58
59data = `acpi`
60
61if not data
62 puts "<span color='red'><span font='FontAwesome'>\uf00d \uf240</span></span>"
63 puts "<span color='red'><span font='FontAwesome'>\uf00d \uf240</span></span>"
64 exit 0
65end
66
67batteries = data.split("\n").map do |line|
68 next unless line =~ /^Battery (\d+): ([^,]+), (\d+)%/
69
70 data = { id: $1.to_i, status: $2.downcase.to_sym, percent: $3.to_i }
71
72 case data[:status]
73 when :charging
74 data[:eta] = line.match(/(\d+:\d+:\d+) until charged/).to_a.last
75 when :discharging
76 data[:eta] = line.match(/(\d+:\d+:\d+) remaining/).to_a.last
77 end
78
79 if data[:eta]
80 segs = data[:eta].split ':'
81 data[:hours] = segs.first.to_f
82 data[:hours] += segs[1].to_f / 60.0
83 end
84
85 data
86end
87
88charging = `acpi -a` =~ /^Adapter \d+: on-line$/
89
90output = charging ? FA_PLUG + ' ' : ''
91short_output = output
92
93output += batteries.map { |batt| batt_to_s batteries, batt }.join ' '
94short_output += batteries.map { |batt| batt_to_s batteries, batt, true}.join ' '
95
96puts output
97puts short_output
98
99exit 33 if batteries.all? { |batt| batt[:percent] < 10 }