From: Brian Adkins <lojicdotcom@...>
Date: 2008-11-12T02:57:27+09:00
Subject: Re: What is that method called?

Boris Blaadh <nejnejnej@gmail.com> writes:

> perhaps this works?
>
> string = <<END
> Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Pellentesque
> pulvinar turpis a nisi. Cras id elit. Aliquam vitae pede nec lacus
> elementum lacinia. Ut aliquam vehicula sem.
> END
>
> lead = 90
>
> wordlist = string.split(' ')
>
> shorttext = ''
>
> for word in wordlist
>
>   break if(shorttext.length + word.length > lead)
>   shorttext = shorttext + word + " "
>
> end
>
> # get rid of the last space
> shorttext.chop!
>
> puts "#{shorttext}..."

It is nicer to break at word boundaries in some contexts. But if it's
a single word (such as a long email address), then you'd still want to
show something more than "...". Maybe you can add a check for that.

e.g. for string = 'john.smith@hisdomain.com', lead = 15

-- 
Brian Adkins
http://www.lojic.com/
http://lojic.com/blog/