Solution to Lab 10
------------------

#!/bin/bash

if [ $# -eq 0 ]
then 
     echo "`basename $0`: too few arguments."
     echo "Usage: `basename $0` TICKERSYMBOL..."
     exit 1
fi

# the search patterns below work only for stocks, not mutual funds
# and other traded items

prefix="http://finance.yahoo.com/q?s="
for i
do
	url=$prefix$i
 	wget $url -o /dev/null -O page
       	val=`sed -n '/Last Trade/ {
	s/\(.*\)Last Trade\(.*\)<big><[bB]>\(.*\)<\/[bB]><\/big>\(.*\)/\3/
        p
			}' page`
        name=`sed -n '/('$i')<\/b>/{
                       s/\(.*\)<b>\(.*\) ('$i')<\/b>\(.*\)/\2/
                       p
                      }' page`
	echo "The stock of" $name "("$i") is priced at $"$val"." 
done