I suggest opening the second file in the same tab instead of a new one.

Here&#39;s what I usually do:

    :edit file1
    :diffthis
    :vnew
    :edit file2
    :diffthis

The [`:vnew`][1] command splits the current view vertically so you can open the second file there. The [`:diffthis`][2] (or short: `:difft`) command is then applied to each view.


  [1]: http://vimdoc.sourceforge.net/htmldoc/windows.html#:vnew
  [2]: http://vimdoc.sourceforge.net/htmldoc/diff.html#:diffthis

I would suggest trying [:diffthis][1] or [:diffsplit][2]


  [1]: http://vimdoc.sourceforge.net/htmldoc/diff.html#:diffthis
  [2]: http://vimdoc.sourceforge.net/htmldoc/diff.html#:diffsplit

When you have two files opened in vertical splitt, run

```
:windo diffthis
```


The content of all tabs are inside the buffers.
Look at the buffers:

    :buffers

Find the right number for the content which should be diffed with your current tab content.

Open the buffer inside your current tab (f.e. buffer number 4)

    :sb 4

Or do for vertical view:

    :vertical sb 4

Then you can simple diff the content with

    :windo diffthis

If you finished diff analysis you can input:

    :windo diffoff

I have a few directories and sub-directories containing files with no file extension. I want to add `.jpg` to all the files contained within these directories. I&#39;ve seen bash scripts for changing the file extension but not for just adding one. It also needs to be recursive, can someone help please?


recursively add file extension to all files

Does anyone know how to delete all datastore in [Google App Engine][1]?

  [1]: http://en.wikipedia.org/wiki/Google_App_Engine

How to delete all datastore in Google App Engine?

Scenario: I have opened Vim and pasted some text. I open a second tab with `:tabe` and paste some other text in there.

Goal: I would like a third tab with a output equivalent to writing both texts to files and opening them with `vimdiff`.

The closest I can find is &quot;diff the current buffer against a file&quot;, but not `diff`ing two open but unsaved buffers.

Diff two tabs in Vim

Scenario: I have opened Vim and pasted some text. I open a second tab with <code>:tabe</code> and paste some other text in there.
Goal: I would like a third tab with a output equivalent to writing both texts to files and opening them with <code>vimdiff</code>.
The closest I can find is "diff the current buffer against a file", but not <code>diff</code>ing two open but unsaved buffers.

How do you convert all text in Vim to lowercase? Is it even possible?

How to convert all text to lowercase in Vim

When I am editing source files using vim and other editors sometimes at the end of the line I get these ^M characters at the end of each line. I think that it has something to do with editing a file in windows and then in linux. How can I remove all of these automatically?

^M at the end of every line in vim

In a nutshell, I&#39;m searching for a **working** autocompletion feature for the Vim editor. I&#39;ve [argued before][vim] that Vim completely replaces an IDE under Linux and while that&#39;s certainly true, it lacks one important feature: autocompletion.

I know about &lt;kbd&gt;Ctrl&lt;/kbd&gt;+&lt;kbd&gt;N&lt;/kbd&gt;, [Exuberant Ctags integration][ctags], [Taglist][], [cppcomplete][] and [OmniCppComplete][]. Alas, none of these fits my description of “working autocompletion:”

* **&lt;kbd&gt;Ctrl&lt;/kbd&gt;+&lt;kbd&gt;N&lt;/kbd&gt;** works nicely (only) if you&#39;ve forgotton how to spell `class`, or `while`. Oh well.
* **Ctags** gives you the rudiments but has a lot of drawbacks.
* **Taglist** is just a Ctags wrapper and as such, inherits most of its drawbacks (although it works well for *listing* declarations).
* **cppcomplete** simply doesn&#39;t work as promised, and I can&#39;t figure out what I did wrong, or if it&#39;s “working” correctly and the limitations are by design.
* **OmniCppComplete** seems to have the same problems as cppcomplete, i.e. auto-completion doesn&#39;t work properly. Additionally, the `tags` file once again needs to be updated manually.

I&#39;m aware of the fact that not even modern, full-blown IDEs offer good C++ code completion. That&#39;s why I&#39;ve accepted Vim&#39;s lack in this area until now. But I think a fundamental level of code completion isn&#39;t too much to ask, and is in fact required for productive usage. So I&#39;m searching for something that can accomplish at least the following things.

* **Syntax awareness**. cppcomplete promises (but doesn&#39;t deliver for me), correct, scope-aware auto-completion of the following:

        variableName.abc
        variableName-&gt;abc
        typeName::abc

    And really, anything else is completely useless.

* **Configurability**. I need to specify (easily) where the source files are, and hence where the script gets its auto-completion information from. In fact, I&#39;ve got a Makefile in my directory which specifies the required include paths. Eclipse can interpret the information found therein, why not a Vim script as well?

* **Up-to-dateness**. As soon as I change something in my file, I want the auto-completion to reflect this. I do *not* want to manually trigger `ctags` (or something comparable). Also, changes should be *incremental*, i.e. when I&#39;ve changed just one file it&#39;s completely *unacceptable* for `ctags` to re-parse the whole directory tree (which may be huge).

Did I forget anything? Feel free to update.

I&#39;m comfortable with quite a lot of configuration and/or tinkering but I don&#39;t want to program a solution from scratch, and I&#39;m not good at debugging Vim scripts.

A final note, I&#39;d really like something similar for Java and C# but I guess that&#39;s too much to hope for: `ctags` only parses code files and both Java and C# have huge, precompiled frameworks that would need to be indexed. Unfortunately, [developing .NET without an IDE][dotnet] is even more of a PITA than C++.

[vim]: https://stackoverflow.com/questions/24109/c-ide-for-linux/24119#24119
[taglist]: http://vim-taglist.sourceforge.net/
[ctags]: http://ctags.sourceforge.net/
[cppcomplete]: http://www.vim.org/scripts/script.php?script_id=527
[dotnet]: http://greengoo.de/243/developing-dotnet-without-an-ide
[omnicppcomplete]: http://www.vim.org/scripts/script.php?script_id=1520

Autocompletion in Vim

When I try to change the background colors in `.vimrc` or directly in Vim using the command: 

    set background=dark

... it doesn&#39;t affect my background at all. Neither does the `light` option. However, it looks okay when I run gvim.

Is there a way to change the background in Vim without changing my Konsole settings?  

**EDIT** Okay, there is a difference between guifg/guibg and ctermfg/ctermbg. While the GUI accepts lots of different color combinations, cterm allows only few standard ones.


Setting the Vim background colors

When I use 

    git commit --amend

It will enter into a vi window to let me input comments for commit, the problem is the vi windows will show some dirty characters from former shell background. So I wonder how can I let vi to reload or redraw the screen to make the screen normal.

So far, I try reset terminal and Ctrl+L, it works, but I wonder is there best answer for such situation?

How to make vi redraw screen?

Or just all the commits that occurred between two dates? In SVN, you could do something like 

    svn diff -r{date}:{date}

to do it! I can&#39;t seem to find a Git equivalent to this.

Specifically I&#39;m looking at writing a script to send out daily emails with all the code committed that day and by who.

How can I get the diff between all the commits that occurred between two dates with Git?

How do you make `git diff` only show the difference between two commits, excluding the other commits in-between?

How to see the changes between two commits without commits in-between?

I&#39;m using `vim -d file1 file2` in order to see the differences between them. This works fine, but I want to ignore whitespace changes - they are irrelevant for source code files. 

Vim help states that the following command will do the magic:

    set diffopt+=iwhite

But unfortunately, this command only adds `-b` to diff tool command line, and that only ignores trailing whitespaces. The correct command line key for diff should be `-w`, to ignore all whitespace changes. But I can&#39;t find how to modify the diff command line directly from Vim. Of course I can compile a custom diff, or replace diff with diff.sh, but that looks kinda ugly :(.

Is there a better way to modify how Vim interacts with the diff tool for displaying file differences?

Is there a way to configure vimdiff to ignore ALL whitespaces?

I&#39;m trying to recursively compare two Subversion working copy folders using WinMerge.

Unfortunately, WinMerge displays lots of differencing files inside of the subversion control folders (`.svn` or `_svn`).

Is it possible to somehow exclude the subversion folders from the comparison? Or is there another (free) diff-tool which is able to do this?

How to ignore SVN folders in WinMerge?

I need to work with large files and must find differences between two. And I don&#39;t need the different bits, but the number of differences.

To find the number of different rows I come up with 

    diff --suppress-common-lines --speed-large-files -y File1 File2 | wc -l

And it works, but is there a better way to do it?

And how to count the exact number of differences (with standard tools like bash, diff, awk, sed some old version of perl)?

How to count differences between two files on linux?

How do I replace whitespaces with tabs in linux in a given text file?

Replace whitespaces with tabs in linux

I am trying to adjust the width of tabs from Window -&gt; Preferences -&gt; General -&gt; Editors -&gt; Text Editors where there is a field for &quot;Display Tab Width&quot;. But no matter what I enter there the size of indentations when I start a newline in a Java file is 4. Any ideas?

Changing editor tab width in eclipse 3.5

I was trying to switch from a tab to another tab (which may not be adjacent to the previous tab) in VIM. Is there any shortcut for that, like we have &lt;kbd&gt;Ctrl&lt;/kbd&gt;-&lt;kbd&gt;p&lt;/kbd&gt;/&lt;kbd&gt;Ctrl&lt;/kbd&gt;-&lt;kbd&gt;n&lt;/kbd&gt; for switching to adjacent tabs? 

Also, I was trying to write a key mapping which will give a variable as input to a function and do the operation. For instance, let&#39;s say I press &lt;kbd&gt;Ctrl&lt;/kbd&gt;-&lt;kbd&gt;5&lt;/kbd&gt; and a function (written by the user) will be called and given as input 5, and the cursor will go to tab 5 (if there is any 5th tab opened).

Can you please suggest how this can be done?

Switching to a particular tab in VIM

Every time I add a selector in CSS and I press `Enter` to define the properties it ends up like this:

&lt;!-- language-all: lang-css --&gt;

    #selector {
    		property: value;
    }

(8-space tabs)

How can I configure Vim to make it like this:

    #selector {
    	property: value;
    }

(4-space tabs)

How do I change tab size in Vim?

    target: dependencies
    	command1
    	command2

On my system (Mac OS X), `make` seems to require that that Makefiles have a tab character preceding the the content of each `command` line, or it throws a syntax error.

This is an annoyance when creating or editing Makefiles because I have my editor set up to be all-spaces-all-the-time.

Can you make valid Makefiles without tab characters?



Can you make valid Makefiles without tab characters?

How to load a different colorscheme when doing `vimdiff`. 

I want this because the my current colorscheme does not show some diffs properly in `vimdiff`, For. eg some diff is shown with same fg/bg color. This makes it very hard to understand the diff. So every time i do a `vimdiff` i have to do `:colorscheme some_other_scheme`

Can this be done in `.vimrc` file?

Load different colorscheme when using vimdiff

I am using vim with the [fugitive extension][1]. It has a :Gdiff command which brings you into vimdiff mode, but what is the right/quick way to close/quit vimdiff mode?

I.e., let&#39;s say I am editing the file FooBar.txt under Git repository. I fire up :Gdiff, review my changes in vimdiff, and then I want to get back and continue editing FooBar.txt or any other file :)

**UPDATE1:** I&#39;m going to give these quick combos a try next working day :) 

    &quot;vimdiff current vs git head (fugitive extension)
    nnoremap &lt;Leader&gt;gd :Gdiff&lt;cr&gt; 
    &quot;switch back to current file and closes fugitive buffer
    nnoremap &lt;Leader&gt;gD :diffoff!&lt;cr&gt;&lt;c-w&gt;h:bd&lt;cr&gt;

**UPDATE2:** My current mappings (closes diff window only!)

    &quot;vimdiff current vs git head (fugitive extension)
    nnoremap &lt;Leader&gt;gd :Gdiff&lt;cr&gt; 
    &quot;switch back to current file and closes fugitive buffer
    nnoremap &lt;Leader&gt;gD &lt;c-w&gt;h&lt;c-w&gt;c

Also, please help me decide if the following should be an anwser: https://stackoverflow.com/a/15975201/275980

  [1]: http://www.vim.org/scripts/script.php?script_id=2975

How do you exit vimdiff mode in vim, specifically, for Fugitive?

I setup `git diff` to wrap into vimdiff, using &quot;[Git Diff with Vimdiff][1]&quot; as a guide, and it&#39;s working as expected unless there are many files with changes. 

When there are multiple files with changes and I run `git diff`, it opens the first file and, after quitting the first instance of vimdiff, I&#39;m presented with the following message:

    external diff died, stopping at filename

This is a completely different behavior than I am used to.  I had a similar setup in the past with SVN and, when diffing against multiple files, I would review the first file, then write and quit using `:wq` and the next file with differences would open up.

This is not the case with Git. I tried `:n[ext]`, but doing so does not fill the left window with the original file so that it can be diffed against the modified version.
         

  [1]: http://technotales.wordpress.com/2009/05/17/git-diff-with-vimdiff/

Viewing all `git diffs` with vimdiff

I&#39;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 ?

Take diff of two vertical opened windows in Vim

I open several files in Vim by, for example, running

    vim a/*.php

which opens 23 files.

I then make my edit and run the following twice

    :q

which closes all my buffers.

**How can you close only one buffer in Vim?**



How do I close a single buffer (out of many) in Vim?

The command to refresh a file from version on disk is `:e!`

How can I do the same for all files in the buffer? 

Background: I need that because I am using git with multiple branches with one vim open that contains a buffer. When I checkout a branch, I would like to have vim refresh.

Refresh all files in buffer from disk in vim

Suppose I&#39;m writing a couple of files to disk, between 2MB and 5GB.
What are sensible buffer values for the FileStream ?

Is it sensible to work with buffersizes of several megabytes, or should I stick to kilobyte-buffers ?

C# FileStream : Optimal buffer size for writing large files?

I&#39;m using log4net with AdoNetAppender. It&#39;s seems that the AdoNetAppender has a [Flush method][1]. Is there anyway I can call that from my code? 

I&#39;m trying to create an admin page to view all the entries in the database log, and I will like to setup log4net with bufferSize=100 (or more), then I want the administrator to be able to click an button on the admin page to force log4net to write the buffered log entries to the database (without shutting down log4net).

Is that possible?

  [1]: http://logging.apache.org/log4net/release/sdk/log4net.Appender.AdoNetAppenderMembers.html

Is there a way to programmably flush the buffer in log4net

I know the `clear` command that &#39;clears&#39; the current screen, but it does this just by printing lots of newlines - the cleared contents just get scrolled up.

Is there a way to completely wipe all previous output from the terminal so that I can&#39;t reach it even by scrolling up?


Content Type	Original Author	Original Content on Stackoverflow
Question	davetapley	View Question on Stackoverflow
Solution 1 - Vim	Jan	View Answer on Stackoverflow
Solution 2 - Vim	joeslice	View Answer on Stackoverflow
Solution 3 - Vim	A B	View Answer on Stackoverflow
Solution 4 - Vim	snap	View Answer on Stackoverflow

Diff two tabs in Vim

Vim Problem Overview

Vim Solutions

Solution 1 - Vim

Solution 2 - Vim

Solution 3 - Vim

Solution 4 - Vim

How to delete all datastore in Google App Engine?

recursively add file extension to all files

Attributions