On second thought, added PostgreSQL support. But official modules do not work with it yet.

bin/auto

@@ -219,6 +219,27 @@ given (lc((conf_get('database:format'))[0][0])) {
     #    # Connect to database.
     #    $DB = DBI->connect("dbi:CSV:f_dir=$Bin/../etc/".(conf_get('database:dir'))[0][0]) or err(2, 'Failed to connect to database!', 1);
     #}
+    when ('pgsql') {
+        # PostgreSQL.
+        if ($ENFEAT !~ /pgsql/) { err(2, 'Auto not built with PostgreSQL support. Aborting.', 1); }
+        my @reqcval = qw(database:name database:host database:username database:password);
+        foreach (@reqcval) { if (!conf_get($_)) { err(2, "Missing required configuration value $_. Aborting.", 1); } }
+
+        # Import DBD::Pg.
+        require DBD::Pg;
+
+        # Connect to database.
+        if (conf_get('database:port')) {
+            # If a specific port was given, use it.
+            $DB = DBI->connect('dbi:Pg:db='.(conf_get('database:name'))[0][0].';host='.(conf_get('database:host'))[0][0].';port='.(conf_get('database:port'))[0][0],
+                (conf_get('database:username'))[0][0], (conf_get('database:password'))[0][0]) or err(2, 'Failed to connect to database!', 1);
+        }
+        else {
+            # We were not given a port, connect using PGPORT (usually 5432)
+            $DB = DBI->connect('dbi:Pg:db='.(conf_get('database:name'))[0][0].';host='.(conf_get('database:host'))[0][0],
+                (conf_get('database:username'))[0][0], (conf_get('database:password'))[0][0]) or err(2, 'Failed to connect to database!', 1);
+        }
+    }
     # Unknown database format.
     default { err(2, 'Unknown database format \''.lc((conf_get('database:format'))[0][0]).'\'. Aborting.', 1); }
 }