From: Tim Kynerd <tim@...>
Date: 2003-02-13T01:23:37+09:00
Subject: Re: String frustration

On Wed, 12 Feb 2003 21:38:47 +0900, Mauricio Fern�ndez wrote:

> On Wed, Feb 12, 2003 at 06:42:33PM +0900, Tim Kynerd wrote:
>> 
>> No apologies necessary. I'm not 100% clear on this.
>> 
>> Although I think I understand what's going on here, it leaves me
>> wondering what would be a better way to do what I need to do, if there
>> is a better way.
>> 
>> The input file contains three tab-separated fields. The second field
>> needs to be able to contain an arbitrary number of newlines (which will
>> be realized as actual newlines, so to speak, when this field is later
>> printed out).
>> 
>> 
> You want multi-line regex mode!
> 
>>> a ="1\tsecond field\nwith newlines\nbla\nbla\tthird\n"
> => "1\tsecond field\nwith newlines\nbla\nbla\tthird\n"
>>> puts a
> 1       second field
> with newlines
> bla
> bla     third
> => nil
>>> re = %r{([^\t]+)\t([^\t]+)\t([^\t]+)\n}m
> => /([^\t]+)\t([^\t]+)\t([^\t]+)\n/m
>>> a =~ re
> => 0
>>> p $1, $2, $3
> "1"
> "second field\nwith newlines\nbla\nbla" "third"
> => nil

No offense, but if I wanted THAT, I'd be using Perl.

Thanks anyway.

-- 
Tim Kynerd   Sundbyberg (sm�stan i storstan), Sweden   tim@tram.nu
Sunrise in Stockholm today:  7:39
Sunset in Stockholm today:  16:24
My rail transit photos at http://www.kynerd.nu