From: dblack@...
Date: 2006-05-23T19:12:46+09:00
Subject: Re: Script running in Ruby version 1.6.7 but not in 1.8.4

Hi --

On Tue, 23 May 2006, Beratung@Siegward-Jaekel.de wrote:

> Hi,
>
> I have written a script in Ruby version 1.6.7 running in Windows and it is
> doing fine. But when I start it in Linux with Ruby version 1.8.4 there are
> lot of error messages.
>
> I minimized the script to that part, which will cause the errors.
>
> Here it is:
>
> *************************************************************************
>
> #======================================================================
> # class Block
> #
> # Block
> # =====================================================================
> class Block
>
>  UMLAUTE = ""<<0x84<<0x81<<0x94<<0x80<<0x99<<0x9A<<0xE1
>  REG_VAR_NAME = "[a-z]+[a-z0-9_#$"+"()" + "@." + UMLAUTE + "]*"

In 1.8.4, you can use the shorthand of #$x for #{$x} with global
variables.  So Ruby thinks you want to interpolate the variable $".
The " therefore doesn't count as a string delimiter, and you get in
trouble.

If you escape the # (\#) it should be OK.


David

-- 
David A. Black (dblack@wobblini.net)
* Ruby Power and Light, LLC (http://www.rubypowerandlight.com)
   > Ruby and Rails consultancy and training
* Author of "Ruby for Rails" from Manning Publications!
   > http://www.manning.com/black