Magic block-taking require method.

output.txt

[08:35 PM] epi@yew :: ~/code/pry $ pry
Loading gems...
  |_ epitools
  |_ coderay
  |_ awesome_print
  |_ print_members
[1] pry(main)> whee!  

req.rb

def req(mod)
  puts "  |_ #{mod}"
  require mod
  yield if block_given?
rescue Exception => e
  p e
end