Re: -f <output file> option for pg_dumpall

Dave Page wrote:
> In pgAdmin we use pg_dump's -f option to write backup files. The IO
> streams are redirected to display status and errors etc. in the GUI.
>
> In order to enhance the interface to allow backup of entire clusters
> as well as role and tablespace definitions, we need to be able to get
> pg_dumpall to write it's output directly to a file in the same way,
> because we cannot redirect the child pg_dump IO streams (which also
> means we may miss errors, but I need to think about that some more).

I don't understand this. Errors are sent to stderr, and the real output
is sent to stdout, where you can capture and save it. What is the
problem?

--
Peter Eisentraut
http://developer.postgresql.org/~petere/