Reverts files dates back if the files have not really changed.
Untouch supports the following command line switches which appear before the directories. -c or -clear = clear history first and take current file times as the new revert-to point. -f or -force = revert files back to previous dates whether they have changed or not. -h or -help = display help on Untouch syntax. -r or -remove = remove option to remove untouch history i.e. untouch.digest and untouch.log files -s or -sub or -subdir or -subdirs = process files in subdirectories as well. -l or -log = create untouch.log files in each directory logging what was done. -q or -quiet = suppress progress messages.