find_gem

#!/usr/bin/env ruby

# find_gem - improved by freQvibez
#
# originally hacked by Dr Nic:
# http://drnic.tumblr.com/post/166472/load-up-any-gem-into-editor
#
# example: mate `find_gem mongrel mongrel_cluster`

require 'rubygems'

begin
  if ARGV.first
    puts Gem.source_index.find_name(ARGV.shift).last.full_gem_path while gem = ARGV.first
  else
    puts Gem.source_index.find_name('sources').last.full_gem_path.split('sources').first
  end
rescue err = NoMethodError
  $stderr.puts "#{$0} #{gem}: No such gem"
  retry if ARGV.first
end

exit err.nil?