Ruby script to generate a dzen statusbar for stumpwm. using ruby-dzen.

stuzen.rb

#!/usr/bin/env ruby
# encoding: UTF-8

require 'dzen'
include DZEN::Helpers

# Config
COLOR = "#DA4939"
INTERFACE = "wlan0"
WEECHATLOG = "/home/crshd/.weechat/logs/perl.highmon.weechatlog"

@rxo = IO.read("/sys/class/net/#{INTERFACE}/statistics/rx_bytes").to_i
@txo = IO.read("/sys/class/net/#{INTERFACE}/statistics/tx_bytes").to_i

configure do |c|
  c.interval = 1
  c.delimiter = _color("#404040", "  ")
  c.output = $stdout
end

before_run do # {{{
  "--- loading ---#{DZEN::Base::Config[:ending]}#{updatepacman}"
end # }}}

app :cpu do # {{{
  "^pa(600)" + _color(COLOR, "CPU ") +
  %x[sensors].scan(/Core \d:\s+\+(\d+)\.\d/).flatten.map{|e|"#{e}°C"}.join(" ")
end # }}}

app :loadavg do # {{{
  _color(COLOR, "LOAD ") +
  IO.read('/proc/loadavg').split(/ /)[0,3].join(' ')
end # }}}

app :speed do # {{{
  _color(COLOR, INTERFACE.upcase) + " #{speed}"
end

def speed
  rx = IO.read("/sys/class/net/#{INTERFACE}/statistics/rx_bytes").to_i
  tx = IO.read("/sys/class/net/#{INTERFACE}/statistics/tx_bytes").to_i
  string = "%3ik %2ik" % [((rx - @rxo) / 1024), ((tx - @txo) / 1024)]
  @rxo, @txo = rx, tx
  return string
end
# }}}

app :time do # {{{
  _color(COLOR, "TIME ") + Time.now.strftime("%d.%m.%Y %H:%M")
end # }}}

app :irc do # {{{
  _color(COLOR, "IRC ") + irc
end

def irc
  msg = IO.readlines(WEECHATLOG)[-1].split(/ /)[1].split("\t")
  return [msg[0], msg[1].split("#")[1], msg[2]].join(" ")
end # }}}

app :pacman do # {{{
  pacman
end

def updatepacman
  Thread.new {
    loop do
      $updates = %x[clyde -Qu].split("\n")
      sleep 300
    end
  }
end

def pacman
  Thread.new {
    sleep 1
    @string = _color(COLOR, "PKG")
    ["core/", "extra/", "community/"].each { |r|
      @string += " " + $updates.find_all { |a|
        a.include? r
      }.size.to_s
    }
  }
  return @string
end # }}}

app :groups do # {{{
  getgroups
end

def getgroups
  groups, active, string, id = Array.new, Array.new, "", 0

  %x[wmctrl -d].split("\n").each { |g|
    groups.concat([g.split.last])
    active.concat([g.split[1]])
  }
  hash = Hash[groups.zip(active)]

  hash.each { |g,a|
    string += "^ca(1,wmctrl -s #{id})"
    if a == "*"
      string += "^bg(#{COLOR}) #{g.upcase} ^bg()"
    else
      string += " #{g.upcase} "
    end
    string += "^ca()"
    id += 1
  }
  return string
end # }}}

app :mail do # {{{
  _color(COLOR, "MAIL") + mail
end

def mail
  count = ""
  %w{Gmail Mail}.each { |m|
    count += " " + (Dir.entries("/media/data/Mail/#{m}/INBOX/new").size - 2).to_s
  }
  return count
end # }}}

order :groups, :cpu, :loadavg, :speed, :time, :irc, :pacman, :mail