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require "thread" class Log4u @mutex = {} def self.mutex(path) @mutex[path] ||= Mutex.new end def initialize(path) @mutex = Log4u.mutex(path) if path[0,1] == "|" then @log = IO.popen(path[1..-1],"w") else @log = File.open(path, "w+") end end def time_string time_now = Time.now time_now.strftime("%I:%M%p") end def error msg @mutex { @log.puts "ERROR #{time_string}: #{msg}" } end def info msg @mutex { @log.puts "INFO #{time_string}: #{msg}" } end def debug msg @mutex { @log.puts "DEBUG #{time_string}: #{msg}" } end def close_log @mutex { @log.close } end end