scripts

[Marc Kleine-Budde]

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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