From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jonathan Nieder <jrnieder@gmail.com>
Subject: Re: [PATCHv2 02/11] git-p4: test debug macro
Date: Sat, 17 Dec 2011 21:26:17 -0600
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Cc: Luke Diamand <luke@diamand.org>, git@vger.kernel.org
To: Pete Wyckoff <pw@padd.com>
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Pete Wyckoff wrote:

> +	# 2 is SIGINT, ash/dash does not know symbolic names
> +	trap echo 2

'trap "$cmd" INT' works, and it's even in POSIX. ;)
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#trap