Ășt 28. 12. 2021 v 19:51 odesĂ­latel Matheus Alcantara <msalcantara....@pm.me>
napsal:

> Hi pgsql hackers, I was testing the new psql command \getenv introduced on
> commit 33d3eeadb2 and from a user perspective, I think that would be nice
> if the PSQLVAR parameter were optional, therefore when it is only necessary
> to view the value of the environment variable, the user just run \getenv,
> for example:
>
> \getenv PATH
> /usr/local/sbin:/usr/local/bin:/usr/bin
>
> And when it is necessary to assign the environment variable in a variable,
> the user could execute like this:
>
> \getenv PATH myvar
> \echo :myvar
> /usr/local/sbin:/usr/local/bin:/usr/bin
>
> For this flexibility the order of parameters would need to be reversed,
> instead of \getenv PSQLVAR ENVVAR would be \getenv ENVVAR PSQLVAR.
>
> What do you guys think? I'm not a C expert but if this proposal is
> interesting I can write a patch.
>

it is not consistent with other \g* commands. Maybe a new statement \senv
?  But what is the use case? You can just press ^z and inside shell write
echo $xxx, and then fg

Regards

Pavel


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