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Fatih Arslan
Fatih Arslan

Reputation: 17147

Take diff of two vertical opened windows in Vim

I've have two files opened. They are opened in vertical mode, next to next. Can I instantly diff these two files without leaving or closing Vim ?

Upvotes: 133

Views: 28256

Answers (4)

Jordi Freixa
Jordi Freixa

Reputation: 61

Following on the earlier answers I adapted the mapping provided by @cxw. The following mapping automatically closes NERDTree and diffs the open windows. It does not matter if NERDTree is closed, it works the same way. I do this quite often so it saved me quite some time.

command! Difft NERDTreeClose | windo diffthis

Upvotes: 6

Nefrubyr
Nefrubyr

Reputation: 7094

To begin diffing on all visible windows:

:windo diffthis

which executes :diffthis on each window.

To end diff mode:

:diffoff!

(The ! makes diffoff apply to all windows of the current tab - it'd be nice if diffthis had the same feature, but it doesn't.)

Upvotes: 206

cxw
cxw

Reputation: 17051

Following up on the earlier answers,

  • :windo difft (short for diffthis) will start diff mode in all the open windows.
  • :windo diffo (short for diffoff) will stop diff mode in all the open windows.

I have the following mappings in my vimrc to make it easier:

command! Difft windo diffthis
command! Diffo windo diffoff

Upvotes: 11

Nathan Fellman
Nathan Fellman

Reputation: 127608

in each of the windows you want to diff type:

:diffthis

If you want to diff all of the open windows, you can do:

:windo diffthis

(windo will apply the command to all open windows)

Upvotes: 29

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