also: more stuff in the map settings menu
getmaptimestamp fmt
Returns the "last written" timestamp of the current map in the requested
format. If fmt starts with "U", the time is given as UTC, otherwise
as local time. If fmt is empty, or not given or just the "U", the format
defaults to "YYYYMMDD_hh.mm.ss". Use "%c" to get something nicer.
DOCREF getmaptimestamp