From: Sam Roberts <sroberts@...>
Date: 2006-06-23T00:57:16+09:00
Subject: Re: bug in $. ?

Quoting wybo@servalys.nl, on Thu, Jun 22, 2006 at 06:46:48PM +0900:
> Pit Capitain wrote:
> 
> >DATA does indeed "point to" the input file, right after the __END__. You 
> >can verify this for example by calling DATA.rewind. After that, you can 
> >read the text before the __END__.
> 
> Sure, but that is part of the bug, in my opinion. After DATA.rewind I 

You mentioned perl before, note that this is identical to perl, you can
read before the __END__.

> want to see the first line of the DATA section again. If I want to see 
> the program source, I can use $0

Not necessarily.

> >>2. As is, $. is useless when reading from DATA
> >
> >Why do you need $. to start from 0 when reading from DATA? What is it 
> >that you're trying to do?
> 
> In this case, I wanted to skip the first line: next if $.==1
> But it can, for example, also be used to errors in the DATA section:
>   raise("illegal key in line #{$.} of the DATA section")

In this case you would want $. to refer to the real line in the file,
more easy to find than to cound offsets.

Sam