inspired by http://soundcloud.com/ramjac/beatlescompletebkwds

all_together_now.rb

#!/usr/bin/env ruby
%w/ubygems scissor/.each {|g| require g }

#Scissor.logger.level = Logger::DEBUG

if ARGV.size < 2
  abort 'usage: %s infile ... outfile' % $0
end

outfile = ARGV.pop
scissors = ARGV.map {|file| Scissor(file) }
max_duration = scissors.max_by {|s| s.duration }.duration

tracks = scissors.map do |s|
  Scissor.silence(max_duration - s.duration) + s
end

Scissor.mix(tracks, outfile, :overwrite => true)