From: Bil Kleb <Bil.Kleb@...>
Date: 2006-10-11T22:45:11+09:00
Subject: Re: scanning strings, backward?

Vidar Hokstad wrote:
> Bil Kleb wrote:
>>   1) Goto line 1707 of the file
>>   2) Search backward until line.match /\Wdt\W/i
>>   3) Remove /dt/i
>
> For 2) Any particular reason why you need to search backwards? My
> suggestion would be to look at String#gsub - that will help you handle
> both 2) and 3) in one go.

The problem is I only want to replace only
the first occurrence before line 1707.

But, by reversing the lines per Ed B's suggestion,
I should be able to use String#sub on a temporary
buffer, and glue things back together for the
next item / line number combination?  (not sounding
terribly elegant)

Later,
--
Bil Kleb
http://fun3d.larc.nasa.gov