[U-Boot] How to take value of an environmental variable of uboot in linux

Måns Rullgård mans at mansr.com
Wed Dec 7 23:35:42 CET 2016


Haris Papadopoulos <haris at amberbox.com> writes:

> Hi,
>
> I type fw_printenv variable_name to take the name of a uboot variable from
> linux.
>
> I get variable_name=10   for example
>
> How can I use the value 10 in the continuation of my script?
>
> I have tried
>
> string = fw_printenv flag_boot_error
> IFS="=" read name value <<< $string
>
> but it does not work

"fw_printenv -n VAR" prints the value of variable VAR without the name
and equals sign.

-- 
Måns Rullgård


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