Those commands will work on the current dir and the subdirs too.
Obtain the md5 hash of all files on a directory.[]
find . -print | xargs digest -a md5
Obtain the md5 hash of all files on a directory except for the dot (current dir)[]
find . -print | egrep -v '^\.$' | xargs digest -a md5
touch all files on a directory[]
find . -print | xargs touch
NOTE: find can use the parameter -type f instead of just -print for printing only files, and not directories.
