colorcat.rb

#!/usr/bin/ruby   
# Colorcat: Android Logging stream colorizer
# Author:: Chien-An "Zero" Cho
# License:: MIT License
#
# Copyright (c) 2010 Chien-An "Zero" Cho
# 
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
                                                                                                                                                                                                               
COLORS = { 
  "D" => "\033[0m",
  "V" => "\033[0;34m",
  "I" => "\033[0;32m",
  "W" => "\033[0;31m",
  "E" => "\033[1;31m"
}
RESET_COLOR = "\033[m"

MSGIN = IO.popen("./adb logcat")
MSGIN.sync = true
STDOUT.sync = true

puts "#{COLORS[$_[0..0]]}#{$_.strip}#{RESET_COLOR}" while MSGIN.gets