From: Emmanuel Touzery <emmanuel.touzery@...>
Date: 2002-12-03T23:16:52+09:00
Subject: Re: Conditional block operations

Shannon Fang wrote:

> Hi,
>
>> From: "Roman Rytov" <rrytov@entopia.com>
>> Reply-To: ruby-talk@ruby-lang.org
>> To: ruby-talk@ruby-lang.org (ruby-talk ML)
>> Subject: Conditional block operations
>> Date: Tue, 3 Dec 2002 22:58:15 +0900
>>
>> Is there a way to filter results of EACH or COLLECT functions? Let's say
>> in
>>
>> file.each do |line|
>>   a, b = line.split(pattern)
>> End
>
>
> I think for this case, the easist way might be
>
> file.each do |line|
>   a, b = line.split(pattern) if line !~ /^\s*$/
> end 

grep could help, unfortunately I don't know if it can be negated (eg 
"all but the matches").

emmanuel

-- 
"If someone breaks into my house and steals my CDs,
who calls the cops, me or the music industry?
If it's me, then that's my property." 
	--Ruben Safir