From: Love U Ruby <lists@...>
Date: 2013-02-14T21:01:13+09:00
Subject: Re: Confusion with Ruby command line options

Hans Mackowiak wrote in post #1096880:
> 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"

Thank you very much! @Hans

Can I set such `octal` or `$/` to as below ?

    carraige return (\r)
    tab (\t)

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