From: Eric Christopherson <echristopherson@...>
Date: 2012-02-09T06:49:24+09:00
Subject: Re: how crypt works

On Wed, Feb 8, 2012 at 3:38 PM, Vic Trento <dainova@yahoo.com> wrote:
> Hi,
> can anybody gimme a example how crypt works with ruby, could not find
> anything anywhere, just this info below, however I get all kind of
> errors with my tries: Where I'm failing???
>
> Tx
> Dai
>
>
> irb(main):011:0* "the_string".crypt(aa)
> NameError: undefined local variable or method `aa' for main:Object
>        from (irb):11
>        from /usr/local/bin/irb:12:in `<main>'
> irb(main):012:0> exit
> [backman@minsk ~]$ ruby -v
> ruby 1.9.2p290 (2011-07-09 revision 32553) [x86_64-linux]

aa should be a two-character string -- you need to put it in quotes.
When it's outside of quotes, Ruby assumes you intend it as a local
variable or method name.