Shell Programming and Scripting

 
#!bin/sh
`clear`
for i in $(seq -w 15 37);
do
#echo $i
wget --dns-timeout=0.0005 http://napdweb${i}.eao.abn-iad.ea.com:8000/webcore/test/test.jsp -o 1
A=`cat 1`
C=$(expr "$A" : '.............................................................................................................................\(......................\)')
D=": Connection timed out"
if [ "$C" = "$D" ] ;
then
echo "napdweb${i} may be hung,Please restart the server"
else
echo "napdweb${i} is up and fine "
fi
done

if grep -q "Connection timed out" 1; then 
echo "napdweb${i} may be hung,Please restart the server"
else
echo "napdweb${i} is up and fine "
fi