Remove whitespace and replace 4 spaces with tabs in xml resource files

whitespace.rb

#!/usr/bin/ruby

# Based on the script from http://www.splinter.com.au/ruby-script-to-increment-a-build-number/
@path = File.dirname(__FILE__)
res = "/res/"

def strip(filename)
	# Read it
	file_str = ''
	if File.exists?(filename)
		file_str = File.open(filename, 'r') {|file| file.read }
	end

	file_str = file_str.gsub(/    /, "\t")
	file_str = file_str.gsub(/\"^[ \t]+|[ \t]+$/, "")

	# Write
	File.open(filename, 'w') {|file| file.write(file_str) }
	puts "Removing trailing whitespace and converting spaces to tabs in #{filename}"
end

Dir.entries(@path + res).each {|entry|
	if (!File.basename(@path + res + entry).start_with?("."))
		Dir.entries(@path + res + entry).each {|file|
			if (!File.basename(@path + res + entry + "/" + file).start_with?(".") and File.basename(@path + res + entry + "/" + file).end_with?("xml"))
				strip(@path + res + entry + "/" + file)
			end
		}
	end
}