#log
log1=/app/applicationdir/log/test.log

# Time stamp
to=`date "+%Y-%m-%d %H:%M:%S"`
from=`date "+%Y-%m-%d %H:%M:%S" -d "-20 minutes"`

#echo $from

awk -F, '
function dform(v){
                    gsub(/[-:]/," ",v)
                    return mktime(v)
                 }
           NR==1 {
                    start = dform(start)
                     end  = dform(end)
                 }
    dform($10)!=-1{
                    f = dform($10)>=start && dform($10) <= end ? 1 : 0
                 }f
        ' start="$from" end="$to" $log1 > /tmp/xyzlog.txt