Dave Page <dpage(at)postgresql(dot)org> writes:
> As far as I can see, adding a -f option to pg_dumpall should be straight
> forward, the only issue being that we'd need to pass pg_dump an
> additional (undocumented?) option to tell it to append to the output
> file instead of writing it as normal.
Wouldn't it be easier/better to re-point stdout at the -f file, and not
touch pg_dump at all?
regards, tom lane