Function [s,t] = filemtime(f) returns modification time of the file with filename f, in two forms: -- string s with the ISO-like date and time representation of the local time zone; -- number t of seconds since 1970-01-01 00:00:00 UTC. (c) 2026 fabien van mook 2026.08.20 release of this file within package "fvm-miscellaneous" under GNU GPLv3+