From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wolfgang Denk <wd@denx.de>
Date: Thu, 05 Nov 2020 17:47:25 +0100
Subject: [PATCH 10/10] setexpr: Add support for strings
In-Reply-To: <CAPnjgZ3SXdKaKmYCw=Q0w-JGhghAPVhwHdtG5q2dNEMNiY60Xg@mail.gmail.com>
References: <20201101211544.3579850-1-sjg@chromium.org>
 <20201101211544.3579850-11-sjg@chromium.org> <20201102000824.10fb538c@nic.cz>
 <CAPnjgZ3SXdKaKmYCw=Q0w-JGhghAPVhwHdtG5q2dNEMNiY60Xg@mail.gmail.com>
Message-ID: <394232.1604594845@gemini.denx.de>
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Dear Simon,

In message <CAPnjgZ3SXdKaKmYCw=Q0w-JGhghAPVhwHdtG5q2dNEMNiY60Xg@mail.gmail.com> you wrote:
>
> > What is the purpose of + operator on strings?
> > Can't we use setenv "${a}${b}" ?
>
> Yes, that does the same thing, although it is a bit clumsy.
>
> setenv a *10
> setenv b *100
> setenv c "${a}${b}"
>
> instead of
>
> setexpr c *10 + *100

I don't get it.  The equivalent to "${a}${b}" would be

	setexpr c "*10*100"

which is even simpler?

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
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