qt_from_png.rb

#!/usr/bin/env ruby
# Quick script to create a movie from PNGs.
# Matt Foster 

input = ARGV.shift || nil

if input == nil
  puts "Usage:  #{ARGV[0]} input_image_01.png [output_filename.mov]"
  puts "Create a QuickTime Movie from an image sequence."
  puts "Uses PNG image compression, and no audio."
  exit(1)
end

output = ARGV.shift

if output == nil
  ext = File.extname(input)
  base = File.basename(input, ext)
  output = "#{base}.mov"
end

exec("qt_export --sequencerate=1 #{input} --video=png,1 --audio=0 --replacefile #{output}")