From: "David A. Black" <dblack@...>
Date: 2010-06-03T19:11:40+09:00
Subject: Re: Split text into equal characters but keeping whole words

Hi --

On Thu, 3 Jun 2010, John Butler wrote:

> Hi,
>
> I have text that is petty large.  What i want to do is split it into an
> array of no more than 250 characters per line but finishing on a full
> word at the end of each line.  So if the last word was "ruby" but 'b'
> was the 250th character in the line then i want the line to cut off
> before ruby and then start at ruby for the next line.  What i have at
> the minute is below which splits the text into an array of lines 250
> characters long, but as i say it slices through words at the end of the
> 250 character limit.
>
> mytext.scan(/.{1,250}/m)
>
> Any ideas?

The \b anchor (word boundary) might help you:

   mytext.scan(/.{1,250}\b/m)

at least as a first approximation. You'll still have some edge cases
and probably have to massage the output though.


David

-- 
David A. Black, Senior Developer, Cyrus Innovation Inc.

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