require 'rubygems'
require 'rainbow'

@files        = "*.7z"
@default_name = 'e'
@starting_num = 0

puts "------------------------------".foreground(:yellow)
puts "Renaming files!".foreground(:yellow)
puts "------------------------------".foreground(:yellow)

Dir.glob(@files) do |filename|
  file = File.new(filename)
  new_filename = "#{@default_name}-#{@starting_num += 1}.7z"
  puts "Renaming '#{filename}' to '#{new_filename}'".foreground(:cyan)
  File.rename(filename, new_filename)
end

puts "------------------------------".foreground(:yellow)
puts "Extracting files!".foreground(:yellow)i
puts "This will be slow and ugly.
puts "------------------------------".foreground(:yellow)

Dir.glob(@files) do |filename|
  system "7z #{filename}"
end

puts "------------------------------".foreground(:yellow)
puts "Whew. Done!".foreground(:yellow)
puts "------------------------------".foreground(:yellow)