title: How to Prevent Overwriting a Existing File Using FTPLIB in Python?
body: <p>I made a python program which stores the user entered data in a sqlite database. I want to upload it to ftp server. I tried using ftplib in python. Here, database file name is same for all the users who uses the program.</p>
  
  <p>Here, my problem is</p>
  
  <p>If user1 upload the file to ftp server, and next user2 uploads it. The file is overwritten. How can I stop this?</p>
  
  <p>Fairly: How can I stop overwriting a existing file and rename the current(file going to be uploaded) file in ftpserver. So, that I will have those 2 files?</p>