in reply to Re^3: How to open file inside loops with file names generated using an array?
in thread How to open file inside loops with file names generated using an array?

If you are merely reading or updating the files, it usually doesn't matter. Troubles start when you are changing the list-of-files or file-names underneath the walker's feet while it's walking.
  • Comment on Re^4: How to open file inside loops with file names generated using an array?