gistfile1.rb

require 'getoptlong'

opts = GetoptLong.new(
        [ '--directory', '-d', GetoptLong::REQUIRED_ARGUMENT],
        [ '--pattern', '-p', GetoptLong::REQUIRED_ARGUMENT],
        [ '--help', '-h', GetoptLong::NO_ARGUMENT]
)

def showhelp
  puts "HELP"
end

dirname = ""
pattern = ""

opts.each do |opt, arg|
  case opt
    when '--help'
                showhelp
                exit
    when '--directory'
                dirname = arg
    when '--pattern'
                pattern = arg
    end
end

if dirname == "" || pattern == ""
        showhelp
        exit
end

puts dirname
puts pattern