rsvp

#!/usr/bin/env bash
#              bash 3.2.25(1)    Ubuntu 7.10                  Date : 2012-02-15
#
# _______________|  freqy : sort and order lines by frequency of appearance.
#
#           Usage:  freqy  [optional: file(s)]
#
#           Notes:  Will work in a pipe.
#                   Does not alter the file(s) themselves.
#