Unix style Monitor Process and run a command if it's down

monitor_process.ksh

#! /bin/ksh -f

script_name=`basename $0`
monitor_application=$1
this_machine=`uname -n`

# Must pass one argument only
# checking for it here
if [[ $# != "1" ]]; then
        clear
        print '\nUsage: '$script_name' <process_name>  '
        print 'Example: '$script_name' bin\iman_supervisor'
        print '\n'

        # can't go on so i'll exit
        exit
fi
 
# verify if the monitor_application argument process is running
if [ `ps -ef | grep $monitor_application | grep -v $script_name | grep -v grep | wc -l` -eq 0 ] ; then
  # Process is not running
  # Email the appropriate people that the process is down
  `../email_users/email_users_process_down $monitor_application $this_machine`
fi