I want to play my mp3 files in random order!

each.rb

#!/usr/bin/env ruby
#-*- coding: utf-8 -*-

# I want to play my music files in random order!
# command example:
# find . -name '*.ogg' | sort -R | each.rb mplayer -cache 1024 {}

# I didn't know the command above can be replaced to...
# find . -name '*.ogg' -print0 | sort -z -R | xargs mplayer -cache 1024

if ARGV.size == 0
  puts "usage: #{$0} args.."
  exit 1
end

while STDIN.gets
  filename = $_.sub("\n", '')
  if ARGV.include? '{}'
    system "#{ARGV.join(' ').sub(/{}/, "'#{filename}'")}"
  else
    system "#{ARGV.join(' ')} '#{filename}'"
  end
end