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You can do it with awk:
echo $URL_DATA | awk -F '<p><a href="|">|-</a><font size="-1"> |</font>' 'BEGIN{RS="</p> "; OFS="\n"; ORS="\n\n"} {print $2,$3,$4}'

Bash has a built-in operator -ne for integer comparison. I would re-write the code for checking number of argument as:
if [ $# -ne 2 ]; then

# Script to create menus and take action according to that selected menu item.
#
#
while :
do
clear
echo "----------------------------------------------"
echo " * * * * * * * Main Menu...

Another (simpler) way of using awk:
awk 'BEGIN{FS="\n";RS="";OFS="."} {print $1,$2,$3,$4}' file