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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Mon, 6 Jun 2011 11:42:27 -0600
Subject: Re: how to avoid leading white spaces
To: Ethan Furman <ethan@stoneleaf.us>
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On Mon, Jun 6, 2011 at 11:48 AM, Ethan Furman <ethan@stoneleaf.us> wrote:
> I like the readability of this version, but isn't generating an exception on
> every other line going to kill performance?

I timed it on the example data before I posted and found that it was
still 10 times as fast as the regex version.  I didn't time the
version without the exceptions.