From: Hans Mackowiak <lists@...>
Date: 2013-02-14T20:58:05+09:00
Subject: Re: Confusion with Ruby command line options

its because #{$/} uses to_s but you need the inspected stuff 
#{$/.inspect}


ruby -00 -e 'a= gets; puts a ;puts "here is: #{$/.inspect}"'
R
R
here is: "\n\n"

ruby -0777 -e 'a= gets; puts a ;puts "here is: #{$/.inspect}"'
E
E
here is: nil

ruby -e 'a= gets; puts a ;puts "here is: #{$/.inspect}"'
Z
Z
here is: "\n"

-- 
Posted via http://www.ruby-forum.com/.