#! /bin/bash
#
#  duplicatepath - this script prints out duplicate listings that are in
#  your PATH environment variable with one directory per line using a 
#  function called dupath
#


# here is an example of a function (must be defined before being called)
# note that there is no reason to have this defined as a function here
# except as an example

function dupath
{
 	echo -e ${PATH//:/'\n'} | sort | uniq -d
}

echo
echo "Here is a list of all of the directories occuring more than"
echo "once in your PATH variable, normally there won't be any"
echo

dupath