module Spruz::GO

def go(s, args = ARGV)

found option argument.
An option hash is returned with all found options set to true or the

option '-y foo' with an option argument ('foo').
'xy:' an option '-x' without an option argument is searched, and an
retrieve the single character command line options from it. If _s_ is
Parses the argument array _args_, according to the pattern _s_, to 
def go(s, args = ARGV)
  b,v = s.scan(/(.)(:?)/).inject([{},{}]) { |t,(o,a)|
    a = a == ':'
    t[a ? 1 : 0][o] = a ? nil : false
    t
  }
  while a = args.shift
    a !~ /\A-(.+)/ and args.unshift a and break
    p = $1
    until p == ''
      o = p.slice!(0, 1)
      if v.key?(o)
        if p == '' then
          v[o] = args.shift or break 1
        else
          v[0] = p
        end
        break
      elsif b.key?(o)
        b[o] = true
      else
        args.unshift a
        break 1
      end
    end and break
  end
  b.merge(v)
end