$csv = Text::CSV->new(); while () { if ($count ==0) { } else { $status = $csv->parse($_); @data = $csv->fields(); $done=0; $retry=0; while($done==0) { # convert timestamp to date @timestamp = split (" ",$data[7]); $day=$timestamp[2]; $month1=$timestamp[1]; $month = $mon2num{lc substr($month1,0,3)}; $year=$timestamp[5]; $date = "$day/$month/$year"; $query = " INSERT INTO DigitalB_Master (date,julianday,mac_address,enterprise_id,enterprise_name,group_id ,group_name,device_name ,device_type) ". " Values ('$date','$jd','$data[6]','$data[0]','$data[1]','$data[2]','$data[3]','$data[4]', '$data[5]')" . " ON DUPLICATE KEY UPDATE ". "enterprise_id='$data[0]',". "enterprise_name='$data[1]',". "group_id='$data[2]',". "group_name='$data[3]',". "device_name='$data[4]',". "device_type='$data[5]';"; print ($query."\n"); my $sth = $dbh->prepare($query); $sth->execute();