Do not auto-add a newline at EOF

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created December 31, 2010 · complexity basic · author Jo Liss · version 7.0

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neither of these methods works for any line ending other than Unix, and in fact both will silently convert your alternate line-ending files to Unix format

By default, Vim adds a newline after the last line of each file. That's great for new files, but when you edit other people's files and they don't have newlines at the end, the diff gets cluttered with an extra chunk like this, because Vim "helpfully" added a newline:

-  }
\ No newline at end of file
+  }

To stop this from happening, add this to your .vimrc:

set binary

Caveats:

This will silently convert all line endings to Unix format, so it's probably not usable on Windows.
Options textwidth, wrapmargin, modeline and expandtab are reset by :set binary, so make sure that "set binary" comes before setting any of these options.

Always remove newlines at EOF

If you want to always strip newlines from files (even new ones), you can try this:[1]

au BufWritePre * :set binary | set noeol
au BufWritePost * :set nobinary | set eol

Do not auto-add a newline at EOF

Always remove newlines at EOF

References

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