From: Bill Mustard <bill@...>
Date: 2005-10-26T00:07:03+09:00
Subject: Re: searching an array

Ralph Smith wrote:
> I have an array of classes source[]
> 
> I can sort it like this
> source.sort! { |x,y| x.fname <=> y.fname }
> 
> If I print it out it is sorted by 'fname'.
> 
> Now I would like to search it for different fnames but can't find an example of how to do that.
> Can someone tell me how?
> 
> thanks,
> Ralph
> 
> 

I like grep eg.

results = source.grep(/.txt/)

returns a list (array) of entries that contain '.txt'.  (including 
things like fred.txt.bak)

Array mixes in (includes) the methods in Enumerable which is where much 
of this magic is hiding.

Bill