This script, given a destination file name, and a directory containing
md5sums of historical versions of the file, attempts to determine if
the installed version corresponds to a historical version. lcf uses
the same algorithm that ucf uses, and should exhibit the same
The source directory is the place where historical md5sums are
expected to live. Specifically, the historical md5sums are looked for
in either the file
or the subdirectory
Print a short usage message
Dry run. Print the actions that would be taken if the script is
invoked, but take no action.
-d [n], --debug [n]
Set the debug level to the (optional) level
(n defaults to 1). This turns on copious debugging information.
Make the script be very verbose about setting internal variables.