Shell Programming and Scripting

#!/bin/ksh 
nohup ./pii_insert.ksh  /nsing83/p2/test  & 
nohup  ./pii_update.ksh nsing83/p2/test & 
 wait 
echo "the wrapper script is done"

wrapper.ksh
########################
#!/bin/ksh

nohup ./pii_insert.ksh /nsing83/p2/test 2>&1 &
# Capture pid of process and write into file
echo $! > subprcs_pid

nohup ./pii_update.ksh nsing83/p2/test 2>&1 &
# Capture pid of process and write into file
echo $! >> subprcs_pid

# Wait in a loop (5 minutes sleeps) while the pids are still active.
if [[ `cat subprcs_pid |wc -l` -gt 0 ]]; then
        PIDS_ACTIVE=1
        while [ $PIDS_ACTIVE  -ne 0 ]
        do
                sleep 300 
                for PID in `cat subprcs_pid`
                do
                        # ps -p returns 2 rows if the pids are active else one row
                        ACT_PID=`ps -p $PID|wc -l|tr -s " "`
                       if [ $ACT_PID -eq 2 ]; then
                                PIDS_ACTIVE=1
                                break
                        else
                                PIDS_ACTIVE=0
                        fi
                done
        done
fi

echo "the wrapper script is done"
######################