#!/usr/bin/ruby
require 'fileutils'
require 'find'

usage_args = ['--usage', '--help', '-u', '-h']

if ARGV.length.eql? 0 or ARGV.length.eql? 1 and usage_args.include? ARGV[0]
  puts "Usage: #{__FILE__} string_to_strip [directory]"
  exit 0
end

# If the users specifies a directory, use it, otherwise default to the current directory

if(ARGV[1])
  if(File.exists? ARGV[1])
    Dir.chdir(ARGV[1])
  else
    puts "#{__FILE__}: Directory \"#{ARGV[1]}\" does not exist"
    exit 0
  end
end

wd = Dir.getwd

puts "#{__FILE__}: In: #{wd}"

files = []

Find.find(wd) do |path|
  files << path
end

FileUtils.cd(wd)

count = 0

files.each do |file|
  unless(file.gsub(ARGV[0], '').eql? file)
    FileUtils.mv(file, file.gsub(ARGV[0], ''), :force => true, :verbose => false)
    puts "#{__FILE__}: #{file} => #{file.gsub(ARGV[0], '')}"
    count += 1
  end
end

puts "#{__FILE__}: Complete: #{count} " + ((count.eql? 1) ? 'file' : 'files') + " striped of \"#{ARGV[0]}\""

exit 0