From: sto.mar@... Date: 2012-11-22T06:20:41+09:00 Subject: Re: Missing Something Am 21.11.2012 13:23, schrieb Ron S.: >> Tip: for a nicer and more robust way to handle command line options >> have a look at the OptionParser class. > > That is a built-in? Yes, it is, see http://ruby-doc.org/stdlib-1.9.3/libdoc/optparse/rdoc/OptionParser.html You won't have to install a gem. --