From: Bertram Scharpf <lists@...>
Date: 2005-03-21T20:25:36+09:00
Subject: Re: string.tr and \

Hi,

Am Montag, 21. M�r 2005, 19:43:18 +0900 schrieb Tom Counsell:
> I'm a little confused and would appreciate your help.  I would like to 
> remove any \ characters from a string as well as some other characters.
> 
> 'b\\c['.tr('\\','') # => 'bc', which is great.
> 
> 'b\\c'.tr('\\c','.') # => 'b\\' which is not great.
> 
> Why does adding extra characters to the tr function stop the removal of 
> \ characters?

The backslash needs to be escaped:

    'b\\c'.tr '\\\\c', '.'

As far as I know there's no way to avoid escaping an \ in
string literals.

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de