gistfile1.rb

#!/usr/bin/ruby

# encode dir of flacs to ogg and move to an ogg dir

require 'fileutils'

$oggdir = "/home/oneman/Music/Ogg/"
$maxthreads = 4

$total_thread_time = 0
start_time = Time.now

dir = ARGV.shift

FileUtils.mkdir_p $oggdir + dir

def oggit(dir, file)
  start_time = Time.now
  puts "Started Encoding: #{file}"
  oggenc = "oggenc -Q -q9 " + "\"#{dir}#{file}\""
  Kernel.system(oggenc)
  thread_time = Time.now - start_time
  $total_thread_time = $total_thread_time + thread_time 
  puts "Finished Encoding: #{file} took #{thread_time}"
end


puts "Encoding #{dir} flacs to ogg with #{$maxthreads} threads"

threads = []
Dir.foreach("./" + dir) do |file|
 # only flac files
 if file.include? ".flac"
  
  # only go if we are under max threads else wait until we are
  if Thread.list.length >= ($maxthreads + 1)
   while(Thread.list.length >= ($maxthreads + 1)) do
     sleep 0.1
   end
  end

  # do it
  Thread.new { oggit(dir, file); }

 end
end


  if Thread.list.length != 1
   while(Thread.list.length != 1) do
     sleep 0.1
   end
  end

end_time = Time.now - start_time
puts "Encoding Finished"
saved_time = $total_thread_time - end_time
puts "Took #{end_time} time, total thread time is #{$total_thread_time} multithread saved #{saved_time}"
move = "mv " + "\"#{dir}\"*ogg #{$oggdir}\"#{dir}\""
Kernel.system(move)
puts "Oggs moved"