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Update the diff view automatically

Revision as of 06:43, May 12, 2010 by (Talk)

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created October 29, 2001 · complexity intermediate · author Douglas Potts · version 6.0

When trying to reconcile differences between files, and using the new 'diff' functionality in Vim 6.0 you may want to automatically update the differences as you are working along. A convienent time is when you write out either of the files you are diff'ing. This autocmd will take care of doing that for you.

" If doing a diff. Upon writing changes to file, automatically update the
 " differences
 au BufWritePost * if &diff == 1
 au BufWritePost * :diffupdate
 au BufWritePost * endif


A more aggressive auto-diffupdate is discussed on vim_use and should probably be merged into this tip.

  • It works for me quit well. I use a slightly modified version:
autocmd BufWritePost * if &diff == 1 | :diffupdate | endif

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