Shell Script to use rsync to copy the files to remote servers

#!/bin/sh
## Author: Pavan Bandaru
## Date: 9/28/2018
set -x

display_usage() {
  echo "This script must be run with ...."
  echo -e "\nUsage:\n$0 [hostfile.txt] \n"
}

if [ $# -eq 0 ]; then
    display_usage
    exit 1
fi

hostfile=$1
for host in `cat<$hostfile`
do
  hostname=$(echo $host|awk -F"," '{print $1}')
  echo "------------------------------------------------"
  echo "connecting to $hostname"
  rsync -r localdir ${hostname}:/home/pavan/

RESULT=$?
if [ $RESULT -ne 0 ]; then
  echo Login Failed
fi

done

Note: Keep the remote host list on the host file.