TOUCH create file if not exists, else update modification time
function ok = touch(file) fid = fopen(file, 'a'); ok = fid > 0 && fclose(fid) == 0; if ok ok = stdlib.set_modtime(file, datetime('now')); end end %!test %! addpath([pwd() '/+java/private']) %! f = tempname(); %! assert(stdlib.touch(f)) %! assert(stdlib.remove(f))