Select Code to Download

File1
Name, Job, City, State
...
Uma, MD, San Pablo, CA
Kate, Nurse, Oakland, CA
Pete, MD, San Pablo, CA

File2
Name, Job, City, State
...
Joe, Nurse, Oakland, CA
Nick, Nurse, Pinole, CA
Pete, Doctor, San Pablo, CA

$file = "1.txt";
(@namesOld = (), @namesNew = (), @jobOld= (), @jobNew= ());
...
      }
   }