From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Vanalme Filip <F.Vanalme@TELEVIC.com>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: scripts
Date: Tue, 01 Mar 2011 15:11:31 +0100 [thread overview]
Message-ID: <4D6CFE93.40508@pengutronix.de> (raw)
In-Reply-To: <6EE7D1502C48E44E92DCADF9DD3E0DB9017FF3B00E7D@SRV-VS06.TELEVIC.COM>
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On 03/01/2011 03:06 PM, Vanalme Filip wrote:
[...]
> One more question about barebox scripts (I guess even scripts in
> general...). This is part of a script from another board (that I took
> over for my own board):
> #!/bin/sh
>
> . /env/config
>
> If [ x$1 = xflash ]; then
> root=flash
> kernel=flash
> fi
>
> if [ x$1 = xnet ]; then
> root=net
> kernel=net
> fi
>
> why the scripts are using i.e. [ x$1 = xflash ] instead of just simply [ $1 = flash ] ? Both are doing the same, no ?
The shell is quite old and doesn't support that. But you're right for
modern shells like bash or dash.
cheers, Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Industrial Linux Solutions | Phone: +49-231-2826-924 |
Vertretung West/Dortmund | Fax: +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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next prev parent reply other threads:[~2011-03-01 14:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-28 16:03 scripts Vanalme Filip
2011-02-28 16:09 ` scripts Marc Kleine-Budde
2011-02-28 16:12 ` scripts Marc Kleine-Budde
2011-03-01 8:02 ` scripts Vanalme Filip
2011-03-01 14:06 ` scripts Vanalme Filip
2011-03-01 14:11 ` Marc Kleine-Budde [this message]
2011-03-01 14:20 ` scripts Baruch Siach
2011-03-02 16:14 ` scripts Uwe Kleine-König
2011-03-02 8:36 ` scripts Vanalme Filip
2011-03-02 9:30 ` scripts Marc Kleine-Budde
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