From: Stefano Crocco <stefano.crocco@...>
Date: 2012-02-09T06:43:20+09:00
Subject: Re: how crypt works

Il giorno Thu, 9 Feb 2012 06:38:18 +0900
Vic Trento <dainova@yahoo.com> ha scritto:

> 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]
> 
> 
> 
> crypt   str.crypt( aString ) -> aString
> Applies a one-way cryptographic hash to str by invoking the standard
> library function crypt. The argument is the salt string, which should be
> two characters long, each character drawn from [a-zA-Z0-9./].
> 

I never used crypt, but I'm almost sure you need to quote the aa so that it
is interpreted as a string rather than a variable name/method call:

"the_string".crypt('aa')

Stefano