From: Joel VanderWerf <vjoel@...>
Date: 2009-12-01T05:54:46+09:00
Subject: Re: regexing a file's contents without reading the whole thing?

Roger Pack wrote:
> I see that it is possible currently to parse through a file without
> reading the whole thing into RAM, a la
> 
> a = File.open('a', 'r')
> a.lines{|line|
>   if line =~ /some regex/
>     ...
>   end
> }
> 
> But what if I can to do something like
> a = File.read('a').scan /some regex/
> 
> is that possible?
> 
> Thanks.
> -r

File.open('/usr/share/dict/words').grep /ruby/i

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       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407