Shell Programming and Scripting

root#cat network_hosts
frssit02.standardchartered.co.in
frssit01.standardchartered.co.in
cbspssit.standardchartered.co.in
cbspsuat.standardchartered.co.in
cbsappfs1.standardchartered.co.in
cbsappfs2.standardchartered.co.in
cbdodbfs2.standardchartered.co.in
while read line
do
#   one ping to the current hostname
ping -c 1 ${line} > /dev/null 2>&1
#   get the exit code of ping command
RETVAL=$?
if [ ${RETVAL} -ne 0 ] ; then
#   log error somewhere, send a mail to someone, etc.
fi
done

#./network_hosts it comes up with the message as
 "0403-057 Syntax error at line 14 : `fi' is not expected."

#!/bin/bash
while read line
do
   #   one ping to the current hostname
   ping -c 1 ${line} > /dev/null 2>&1
   #   get the exit code of ping command
   RETVAL=$?
   if [ ${RETVAL} -ne 0 ] ; then
      echo $line is not responding
   fi
done  < $1