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From: Eduardo =?utf-8?Q?A=2E_Bustamante_L=C3=B3pez?= <dualbus@gmail.com>
Newsgroups: gnu.bash.bug
Subject: Re: indirection on '$1, $2...' ?
Date: Fri, 18 Sep 2015 12:14:53 -0500
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dualbus@hp ~ % bash -c 'a=1; echo "${!a}"' . arg
arg

-- 
Eduardo Bustamante
http://dualbus.me/