watches a logfile and drops the new lines into mongodb

watch_logfile.rb

def watch_for(file)
    f = File.open(file,"r")
    f.seek(0,IO::SEEK_END)
  
    while true do
      select([f])
      line = f.gets

      if line != nil
      	if file == "/var/log/syslog"
          line.gsub!(/^(\w+.\d+.\d+:\d+:\d+)/u,"")
          print line
      	else 
          line = f.gets
        end
       
        logentry = Log.create(
          :jid => "0",
          :logdate => Time.now,
          :logfile => file,
          :logentry => line
        )
        
        if logentry.errors
          logentry.errors.each do |e|
            puts e
          end
        end
      end
      
    end
end

Thread.new do
  watch_for("/var/log/syslog")
end