createlang --version (return code: 0)
createlang (PostgreSQL) 9.5.6
createlang --help (return code: 0)
createlang installs a procedural language into a PostgreSQL database.
Usage:
createlang [OPTION]... LANGNAME [DBNAME]
Options:
-d, --dbname=DBNAME database to install language in
-e, --echo show the commands being sent to the server
-l, --list show a list of currently installed languages
-V, --version output version information, then exit
-?, --help show this help, then exit
Connection options:
-h, --host=HOSTNAME database server host or socket directory
-p, --port=PORT database server port
-U, --username=USERNAME user name to connect as
-w, --no-password never prompt for password
-W, --password force password prompt
Report bugs to <pgsql-bugs@postgresql.org>.