Devrim GUNDUZ <devrim(at)gunduz(dot)org> writes:
> psql checks for PGUSER, PGPASSWORD, PGHOST, PGPORT, PGDATABASE and some
> other environmental variables. Export relevant values to the parameters.
PGPASSWORD is deprecated because it is insecure on some platforms
(to wit, those where other users can see a process' environment
variables via ps). The ~/.pgpass file is the recommended way to go.
regards, tom lane