Got it. I recommend changing 'su -l' to 'su -m' to preserve the
environment. How does that sound?
> I installed the sample startup script for postgres for FreeBSD, but it
> reports the following error upon running:
>
> # /usr/local/etc/rc.d/postgres.sh start
> pg_ctl: no database directory or environment variable $PGDATA is specified
> Try 'pg_ctl --help' for more information.
>
> I see clearly that PGDATA is set and exported. I'm suspecting that
> the "su -l" causes the environment to disappear. My guess is that
> whomever wrote this script has PGDATA set in the ~/.profile (or
> equivalent) in the postgres user's home directory.
>
> Thus, it is pointless to set PGDATA in the script. Setting and
> exporting PGDATA in the ~/.profile file lets postgres start as
> expected.
>
> The commentary says to copy the file to /usr/local/etc/rc.d/postgresql
> but this is not useful; the file must in '.sh' and be executable or
> FreeBSD will ignore it on boot.
>
> Also, the following line in the start action of the sript is useful:
>
> /sbin/ldconfig -m $prefix/lib
>
>
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