TODO:

prozap.pl -- mostly working
procat.pl -- mostly working
profree.pl -- mostly working
proread.pl -- partially working
prowrite.pl -- partially working
prorename.pl -- mostly working
prodelete.pl -- mostly working
prolock.pl -- mostly working
prounlock.pl -- mostly working
procopy.pl -- started
procreate.pl -- partially working
proundelete.pl -- started
proformat.pl -- mostly working