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bug#32198: tail -f -F unexpected behavior
From: |
Matthew Guidry |
Subject: |
bug#32198: tail -f -F unexpected behavior |
Date: |
Wed, 18 Jul 2018 09:24:02 -0500 |
This is for tail v8.28 encountered on Ubuntu 18.04.
I was doing some experimentation with nano v2.9.3 and tail,
watching the output of tail after saving in nano and encountered some
strange behavior.
I had two terminals open side by side; one with nano and one with tail.
I opened a file called test.txt in nano and saved with ^w in the first
terminal.
I went to the second terminal and ran tail -f test.txt to watch the file.
I went back to the nano terminal and returned twice and saved.
The tail terminal reports this change properly.
With the file still open in nano, I write any number of characters and save.
The tail terminal reports this change But skips the first character. I also
tested this with -F.
This may not be an issue because it only happens when using the
write(ctrl-o, ctrl-s) in nano and not closing the file.
I have reproduced this on two machines.
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