title: comparing two perforce versions
body: <p>I have many files with different versions in perforce ( like some files version 1 to 3, some 1-6 etc ) I want to compare all files first and last versions using the single command.  </p>
  
  <p>say command is xyz.</p>
  
  <p>xyz fileA ----> should give diff fileA#1 to fileA#3  (version 1 and 3)</p>
  
  <p>xyz fileB ----> should give diff fileB#1 to fileB#6  (version 1 and 6) </p>
  
  <p>Regards</p>
  
  <p>keerthan </p>