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Date: Thu, 30 Sep 2004 13:22:24 +0400
From: Jury Levykin <altcomm@list.ru>
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To: community@altlinux.ru
Subject: Re: [Comm] bash -- please help
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Jury Levykin пишет:

> Как на bash написать следующую операцию:
>
> =================
> summ=0
> x1=2
> x2=3
>
> summ=$summ + $x1
> summ=$summ + $x2

Нашел !
summ=`expr $summ + $x`