#! /usr/bin/env ruby

require 'find'

bad_str = ":<>\\|*?\""
bad_files = Array.new

Find.find(ARGV[0]) do |file|
	bad_files.push file
end

# reverse array so bad directories come after the files
bad_files.reverse!

bad_files.each do |file|
	basename = File.basename(file)
	if basename.count(bad_str) > 0
		dirname = File.dirname(file)
		new_file = File.join(dirname, basename.tr(bad_str, '_'))
		puts [file, ' -> ', new_file].join
		File.rename( file, new_file )
	end
end