#!/bin/bash 
if [ "$(echo "$PATH" | grep ::)" != "" ]; then 
	echo "Empty Directory in PATH (::)" 
fi 

if [ "$(echo "$PATH" | grep :$)" != "" ]; then 
	echo "Trailing : in PATH" 
fi 

p=$(echo "$PATH" | sed -e 's/::/:/' -e 's/:$//' -e 's/:/ /g') 
set -- $p 
while [ "$1" != "" ]; do 
	if [ "$1" = "." ]; then 
		shift 
	continue 
	fi 
	if [ -d "$1" ]; then 
		dirperm=$(ls -ldH "$1" | cut -f1 -d" ") 
		if [ "$(echo "$dirperm" | cut -c6)" != "-" ]; then 
			echo "Group Write permission set on directory $1" 
		fi 
		if [ "$(echo "$dirperm" | cut -c9)" != "-" ]; then 
			echo "Other Write permission set on directory $1" 
		fi dirown=$(ls -ldH "$1" | awk '{print $3}') 
		if [ "$dirown" != "root" ] ; then 
			echo "$1 is not owned by root" 
		fi 
	else 
		echo "$1 is not a directory" 
	fi 
	shift 
done