change tabs to two spaces. part deux

cliptext.rb

#!/usr/bin/env ruby 

# Places the clipboard contents into a new temp text
# file and opens the text file in the default text editor

require 'ftools'

# find an unused file name
a = 1
folder = File.expand_path "~/Documents/texts/temp"
File.makedirs folder unless File.exist? folder 
begin
	file = "%s/tmp%04d.txt" % [folder, a]
	a += 1
end while File.exist? file

# obtain clipboard contents
clip = IO.popen('pbpaste', 'r+').read

# write contents to a file
File.open(file, 'w') {|f| f.write(clip) }

# let the user know what the file name is
puts file

# open the file in default text editor
system("open", file)