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Date: Wed, 18 May 2011 16:06:06 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Devin Teske <dteske@vicor.com>
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Cc: 'Gary Kline' <kline@thought.org>,
	'FreeBSD Mailing List' <freebsd-questions@freebsd.org>
Subject: RE: kwik way?
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On Wed, 18 May 2011, Devin Teske wrote:

> In case you were thinking of either awk or perl, I'd recommend against those
> given the following results:
>
...
>
> $ time sh -c "perl -pe 'tr/\t/ /' < foo > bar"
> real    0m0.565s
> user    0m0.277s
> sys     0m0.137s
> $ md5 bar
> MD5 (bar) = f0187bcbc37cd6d84c6f5cadc6443843

While Perl is a quarter of a second slower than best-case sed, it does 
offer the ability to directly understand \t (and \n, and lots of other 
escapes).