Anonymous PL functions?

I wonder if it would be possible/feasable to have anonymous PL functions
in PostgreSQL? I'm thinking of something along the lines of:

EXECUTE $
DECLARE
    tableName text;
BEGIN;
    FOR tableName
    IN SELECT table_name
        FROM information_schema.tables
        WHERE table_name LIKE 'mm_%' LOOP
        EXECUTE 'DROP TABLE ' || tableName;
    END LOOP;
END;
$ () LANGUAGE 'plpgsql';

I don't really need this, but I think it'd be nice to be able to. This
way you could call procedural language code from the psql command line,
for example.

Regards,
--
Alban Hertroys
alban@magproductions.nl

magproductions b.v.

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