Mine

#!/bin/sh
cnt=0
faxcnt=0
faxcnt2=0
while true
do
    for((cnt=1;cnt<6;cnt++))
    do
        faxcnt=`/usr/bin/faxstat | grep "Receiving from" -c`
        faxcnt2=$[$faxcnt2+$faxcnt]
        echo "counter on: " $cnt
        echo "fax counter:  " $faxcnt2
        #sleep 29
        sleep 5
    done
    #faxttl=$[$faxcnt2/10]
    faxttl=awk "BEGIN {OFMT = \"%.0f\"; $faxcnt2/10; exit }"
    echo "fax total: " $faxttl
    echo $faxttl > /tmp/faxstat.cnt
    echo $faxttl >> /tmp/faxstat.cnt
    faxcnt2=0
done




output:

counter on:  1
fax counter:   1
counter on:  2
fax counter:   2
counter on:  3
fax counter:   4
counter on:  4
fax counter:   6
counter on:  5
fax counter:   8
faxryan.sh: BEGIN {OFMT = "%.0f"; $faxcnt2/10; exit }: No such file or directory
fax total: