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    For me :e randomnamejkdlfjldf fails to load the non-existent filename then reloads back to the current file :D Commented Mar 18, 2016 at 10:36
  • 1
    @sabgenton Thanks, I didn't know that. That's a great trick. I added it to my answer, but you could post it as an answer of your own (which I hope Zaid would accept). Commented Mar 18, 2016 at 16:14
  • 2
    @CMCDragonkai No, less +F only watches for appended content. Use :e nonexistentfile to re-read completely changed input. Commented Apr 19, 2016 at 11:08
  • 4
    @PaulWagland No, R doesn't reliably refresh the file. It refreshes the screen, and wipes some input buffers, but it doesn't actually reload data from the file in all circumstances (only if the file is large? I didn't dig deeply into the code). Commented Apr 20, 2017 at 9:53
  • 2
    I wish I could give you a +1 for every time I forget about this and find myself here again. :D Commented Jun 16, 2017 at 1:17