Re: [PATCH] udev - advanced user query options

[Greg KH <greg@kroah.com>]

On Sun, Jan 11, 2004 at 03:33:00AM +0100, Kay Sievers wrote:
> This patch improves the user options for udev.
> It is possible now to query for the name, the symlinks or owner/group.
> If asked for the name of the node we are able to prepend the udev_root
> with the -r option.
> 
> SAMPLE:
> 
>   kay@pim:~/src/udev.test$ ./udev -V
>   udev, version 012_bk
> 
>   kay@pim:~/src/udev.test$ ./udev -h
>   Usage: [-qrVh]
>     -q <name>  query database for the specified value
>     -p <path>  device path used for query
>     -r         print udev root
>     -V         print udev version
>     -h         print this help text
> 
>   kay@pim:~/src/udev.test$ ./udev -r
>   /udev/
> 
>   kay@pim:~/src/udev.test$ ./udev -q name -p /class/video4linux/video0
>   video/webcam0
> 
>   kay@pim:~/src/udev.test$ ./udev -q symlink -p /class/video4linux/video0
>   camera0 kamera0
> 
>   kay@pim:~/src/udev.test$ ./udev -q owner -p /class/video4linux/video0
>   501
> 
>   kay@pim:~/src/udev.test$ ./udev -r -q name -p /class/video4linux/video0
>   /udev/video/webcam0

Very nice, applied, thanks.

Hm, care to update the man page with this information, and the '-h'
option to explain queries a bit more?

thanks,

greg k-h


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