From: Gennady <gfb@...>
Date: 2003-12-19T07:26:33+09:00
Subject: Re: Configuration Files

I use Austin Ziegler's Text::Format for expanding tabs. Works great for 
me, and for yaml ;-)

Gennady.

Gavin Sinclair wrote:
> On Friday, December 19, 2003, 9:02:05 AM, Ara.T.Howard wrote:
> 
> 
>>>I just got it :-). However it seems like cheating ;-) -- there were no
>>>tabs in Gavin's example. 
> 
> 
>>it may seem like cheating, but i spent twenty minutes debugging something just
>>like this after advocating yaml based configs here at work and letting a real
>>live user configure something - which immeadiately broke my software!
> 
> 
> Interesting.  Thanks for the warning.
> 
> 
>>>There are lots of issues with TABs in yaml, we all know. The common approach
>>>is just to avoid them alltogether. I usually "untab" config files before
>>>calling YAML::load
> 
> 
>>well - i now do too.  the question is, why doesn't yaml?  currently i'm simply
>>gsub'ing tabs for eight spaces and figure this _shouldn't_ breaky anything but
>>haven't really looked into further.  i posted something a while back wondering
>>if trailing space is _ever_ required in yaml
> 
> 
> I guess that's up to the user.  Iff you know that no trailing spaces
> are allowed in your domain, then remove them.
> 
> As for tabs, I would simply error out and tell the user to get rid of
> that tabs.  Assigning a different number of spaces to a tab means
> you'll get different interpretations of the document, I think.
> 
> Perhaps YAML could include one or two methods to do this kind of
> common pre-processing, so we don't all duplicate the code?
> 
> Gavin
> 
>