Remove some path from the PATH variable temporarily.

#!/bin/bash -
#===============================================================================
#
#          FILE:  remove_path.sh
#
#         USAGE:  ./remove_path.sh
#
#   DESCRIPTION:  Add a path from the $PATH variable
#
#       OPTIONS:  ---
#  REQUIREMENTS:  ---
#          BUGS:  ---
#         NOTES:  ---
#        AUTHOR:  <a class=\"zem_slink\" title=\"Amit Agarwal\" rel=\"me\" href=\"http://amit-agarwal.co.in\">Amit Agarwal</a> (AKA), amit.agarwal@amit-agarwal.co.in
#       COMPANY:  Individual
#       VERSION:  1.0
#       CREATED:  08/08/2010 02:26:16 PM IST
#      REVISION:  ---
#===============================================================================
if [[ $# < 1 ]]
then
echo \"Not enough arguments\"
exit -999
fi
unset PATH_ PATH1
export PATH_=($(echo $PATH|sed \'s/:/ /g\'))
for i in `seq 1 ${#PATH_}`
do
echo ${PATH_[$i]}
echo ${PATH_[$i]}|<a class=\"zem_slink\" title=\"Grep\" rel=\"wikipedia\" href=\"http://en.wikipedia.org/wiki/Grep\">grep</a> $1
if [ $? != 0 ]
then
PATH1=$PATH1:${PATH_[$i]}
PATH1=$(echo $PATH1|tr -d \'\\n\')
#echo $PATH1
else
echo \"Not adding ${PATH_[$i]}\"
fi
done
echo \"old path saved in $PATH_\"
export PATH=$PATH1