par <operation> [options]

	Operations:
	-h
	-t
	-r
	-c <files | directories>
	-u
	-x
	-z
	-d <file>
	-sparse
	-m

	Options:
	-f <output file>
	-v
	-z

	A simple file archiving tool.

	par -xvf foo.par
	verbosely extract foo.par

	par -xzf foo.par.gz
	extract gzipped foo.par.gz

	par -xzf foo.par.gz blah.txt
	extract the file blah.txt from foo.par.gz

	One of the following options must be used:
	
	-h
	display the help
	
	-t
	list the contents from an archive
	
	-r <files | directories>
	append files (or directories) to the end of an archive
	
	-c <files | directories>
	create an archive from files (and directories)
	
	-u
	only append files that are newer than the existing in archive
	
	-x
	extract files from an archive
	
	-d <file>
	delete file from the archive (not for use on magnetic tapes !)
	
	-sparse
	
	-m
	find differences between archive and file system

	-f <file>
	use archive file or device F (default "-", meaning stdin/stdout)

	-v
	verbosely list files processed

	-z
	filter the archive through gzip