shell ping探测

COUNT=4
LOOP=0
HOST2_IP=10.156.4.10
ERRMSG='Ping Failed'
TOTAL=0

while [ $LOOP = 0 ]
do
    TEST=`/usr/sbin/ping ${HOST2_IP} -n ${COUNT} | grep loss | awk '{print $7}'`
    #echo "${TEST%%\%}"
    if [ ${TEST%%\%} -gt 0 ]
    then
        echo "`date`    ${TEST} packet loss" >> netlog.txt
    else # lͨ
      if [ "`expr $TOTAL % 150`" -eq "0" ]
      then
         echo "`date`    Ping is OK" >> netlog.txt
        fi
    fi
    #LOOP='expr $LOOP - 1'
    if [ ${TEST%%\%} -gt 0 ]
    then
     TOTAL=0
    fi
   
    #if [ "`expr $TOTAL % 150`" -eq "0" ]
    #then
    # TOTAL=0
    #fi
    TOTAL=`expr $TOTAL + 1`
    #echo "$TOTAL"
    sleep 3;
done