<b_jonas> `` f=bin/datei; >$f echo $\'#!/bin/sh\\n\'\'exec date "+%Y-%m-%d %H:%M:%S.%N %z %Z %B %-e %A %G-W%V-%u"\'; chmod -c a+x "$f"

mycology is a Befunge-98 (also -93 to some extent) testsuite that can be found at https://deewiant.iki.fi/projects/mycology/