Excerpts from Robert Haas's message of mar jul 20 11:48:29 -0400 2010:
> > That seems sub-optimal; I can see people wanting to use this feature to do something like:
> >
> > psql -c 'set work_mem = blah' -f script.sql
> >
> > and then being surprised when it works differently than just `psql -f script.sql`.
>
> I agree... but then they might also be surprised if psql -c
> 'something' works differently from psql -c 'something' -f /dev/null
I think we should just make sure -X works, and have .psqlrc be read when
it's not specified regardless of -f and -c switches.
Otherwise it's just plain confusing.