From: Ryan Davis <ryand-ruby@...>
Date: 2008-04-26T21:52:54+09:00
Subject: Re: Howto get array.agrep (NOT array.grep)


On Apr 26, 2008, at 03:35 , Simon Krahnke wrote:

>> NAME
>>       agrep - print lines approximately matching a pattern
>
> Enurable#grep can do that, if you pass it the right block. When you  
> pass
> a block to grep it's the block's job to match the elements.

no.

>      enum.grep(pattern)                   => array
>      enum.grep(pattern) {| obj | block }  => array
> ------------------------------------------------------------------------
>      Returns an array of every element in _enum_ for which +Pattern  
> ===
>      element+. If the optional _block_ is supplied, each matching
>      element is passed to it, and the block's result is stored in the
>      output array.

The block just morphs the result, it doesn't morph the match.