Re: [ptxdist] Script

[Marc Kleine-Budde <mkl@pengutronix.de>]

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On 09/02/2015 09:44 AM, Hardik A Gohil wrote:
> Hello,
> 
> Can any one explain me this script from
> rules/post/ptxd_make_image_common.make used while creating root.ubifs image
> 
> DOPERMISSIONS := '{     \
>         if ($$1 == "f") \
>                 printf("chmod %s \".%s\"; chown %s.%s \".%s\";\n", $$5,
> $$2, $$3, $$4, $$2);    \
>         if ($$1 == "n") \
>                 printf("rm -f \".%s\"; mkdir -p \".`dirname \"%s\"`\";
> mknod -m %s \".%s\" %s %s %s; chown %s.%s \".%s\";\n", $$2, $$2, $$5,
> $$2, $$6, $$7, $$8, $$3, $$4, $$2);}'

This scripts generates chmod, chown commands to change the ownership and
permission of a file or generates commands to create device nodes with
given ownership and permissions.

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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