EDL_Cleaner.rb

#!/usr/bin/env ruby
# quick and dirty script for EDL cleaning
# will process all files inside this script directory
# insert some conditions or some processing in the certer iteration loop
require 'find'
require 'ftools'

scriptfile = File.basename(__FILE__)
Dir.chdir( File.dirname(__FILE__))
other_files = Array.new
Find.find(File.dirname(__FILE__)) do |path|
	next if File.directory?(path) or File.basename(path) == scriptfile or File.basename(path)[0..0] == '.'
	other_files << path
end

puts "EDL Cleaner...\n(c) lp 2009\n"
other_files.each do |path|
	basename = File.basename(path); dirname = File.dirname(path)
	puts "Processing file #{basename}"
	new_basename = 'CLEAN_' + basename; new_path = File.catname(new_basename,dirname)
	File.open(new_path,'w') do |newfile|
		File.open(path,'r') do |oldfile|
      oldfile.readlines.each do |content|
				# Insert condition or processing here
				if content =~ /TITLE:|FCM:/
					# this leaves the edl title and fcm alone
					newfile.print(content)
				elsif content =~ /^\*/
					# this one removes all lines starting with a star, i.e. comments
					puts "<< #{content} >> deleted (star)"
				elsif content =~ /^\s*$/
					# this one removes empty lines
					puts "<< #{content} >> deleted (empty)"
				elsif (content =~ /^\d\d\d\s+AM/).nil?
					# this one removes any lines which sources does not match AM... (project specific)
					puts "<< #{content} >> deleted (not right source)"
				elsif content =~ /(\d\d:\d\d:\d\d:\d\d)\s+(\d\d:\d\d:\d\d:\d\d)\s+(\d\d:\d\d:\d\d:\d\d)\s+(\d\d:\d\d:\d\d:\d\d)\s+/
					# this one removes any zero duration line
					if $1 == $2 && $3 == $4
						puts "<< #{content} >> deleted (dupe TC)"
					else
						newfile.print(content)
					end
				else
					newfile.print(content)
				end
			end
		end
	end
	puts "substitution done for file #{basename}\nchanges were saved to file #{new_basename}\n\n"
end