Shell Programming and Scripting

#!/bin/ksh
#set -vx

checkprocess () {
        PROCESS_NUM=`ps -ef| grep  test |wc -l`
        # for degbuging...
        if [ $PROCESS_NUM -gt 1 ];
        then
        #       echo $PROCESS_NUM
        echo "My job is  started"
        if [ $PROCESS_NUM -gt 1 ];
        then
        echo "My job is running.."
        fi
        else
        echo "Myjob yet to be started "
        fi
}
# Invoke your function
checkprocess

PROCESS_NUM=`ps -ef| grep  test |wc -l`

PROCESS_NUM=`ps -ef| grep -c '[t]est'`

PROCESS_NUM=`ps -e | grep -c 'test'`

PROCESS_NUM=`UNIX95= ps -eo pid,comm | grep -c 'test'`

PROCESS_NUM=`pgrep test | wc -l`

if [ $PROCESS_NUM -gt 1 ];