Returns a list of checksums of files specified by the mask and path The mask for files to scan for Do a dir listing from a directory other than the current one. If '*' do a dir listing of all directories on all fixed drives Continue to return listings up to the number specified. If zero, return all listings. If not specified, return all. Time type to use in after/before/age and display (defaults to modified) Only display files that are at most 'hours' old Only display files with timestamps after the given date Only display files with timestamps before the given date