Re: sub-process changing value available to parent process?

[Jasper]

Sylvain Viart schreef op 2020-04-05 08:55:
> Hi,
>
> This idea come back again. I would like to be able to modify bash
> variable from a child program.
>
> As the child program has no access to parent's variable space, one
> solution is that the child-program
> ouputs bash valid code and the parent script uses eval() so the current
> env is modified.
>
> We see this behavior when using ssh-agent for example.
>
> I would like to be able to pass modified value to the shell parent
> without using eval.
>
> What shared environment could I use to ensure safe and efficient
> communication from a sub program with it's parent script?
>
>
> Regards,
> Sylvain.

Hi,

to me that is: parent_var=$( whatever the child has as output )

Or is that not what you are after ?

Jasper