AmirWatad.com » Vim

Make Vim Remember The Cursor’s Last Position After Exiting

Amir Watad — Thu, 09 Sep 2010 18:37:14 +0000

So you edit a file in vim, you exit vim, and after a while you want to edit the file again. Many times it’s nice to have the cursor placed in the same position you left it. Here’s how to make this happen:

1. Add this to your ~/.vimrc file (or to /etc/vim/vimrc to enable to the feature system-wide):

if has(“autocmd”)

au BufReadPost * if line(“‘\”") > 1 && line(“‘\”") <= line(“$”) | exe “normal! g`\”" | endif

endif

2. Check if the file ~/.viminfo exists. If it doesn’t, create it:

touch ~/.viminfo

3. Make sure that you own ~/.viminfo - sometimes it’s owned by root for some reason! If this is the case, make it yours:

chown your_username ~/.viminfo

Note:

Sometimes you’ll find the above snippet already placed in /etc/vim/vimrc (sometimes commented). If it’s there, uncomment it, and make sure that it reads the same as above.

In Ubuntu 10.04, I uncommented the above snippet in /etc/vim/vimrc. The cursor was placed on the correct line, but always placed in the beginning of the line. This is sub-optimal since the desired behavior is to place it in the correct line and column.

After some Googling, I found that the problem is in this part:

exe “normal! g`\”"

In Ubuntu 10.04, The “g” is followed by a single quote. It should be followed by a backtick

Have fun

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Make Vim Remember The Cursor’s Last Position After Exiting

Fix Bad Indentation When Pasting Text To Vim

Amir Watad — Fri, 16 Jul 2010 19:27:01 +0000

The problem is this:

You’re editing a buffer in vim, you copy a text (say, code snippet) from another place (say, Firefox), and you paste it inside vim (with middle mouse button / shift+insert). Most chances you won’t like what vim has just did to your text.

The problem is that vim doesn’t “know” that you’re actually pasting a text, and it thinks that you’re typing. So, if you have indentation enabled, it will re-indent your text.

The solution is simple: Whenever you want to paste text from outside vim into vim. Type this in command mode:

:set paste

So now vim knows that you’re going to paste text, and it will not touch it.

To disable the paste mode:

:set nopaste

As easy as that

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Fix Bad Indentation When Pasting Text To Vim

NumPad Problems When Using Vim over Tmux

Amir Watad — Fri, 02 Jul 2010 22:53:34 +0000

I use vim as my main text editor, and I usually split the screen to edit a few buffers in parallel. To make resizing the windows faster, I mapped the numpad keys “/*-+” to resize the windows (see original vim tip here).

Recently, I started to use tmux, and opened vim, split the windows as usual, and tried to resize them. It didn’t work

I use Ubuntu 10.04 (Don’t remember the exotic name..), and I found that the latest tmux package in their repo is 1.1-1.

Anyway, version 1.1-1 has a bug with the NumPad. The solution is to download the source of tmux 1.2 and build it. It depends on libevent so you’ll need to get it first:

this is how to make it work:

1. sudo apt-get install libevent-dev

2. Get the source tarball of tmux from here.

3. tar xzf tmux-1.2.tar.gz

4. cd tmux-1.2

5. ./configure

6. make

7. sudo make install

Done. Now your life is better. Have fun

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NumPad Problems When Using Vim over Tmux

Vim Tip – Convert Code To HTML

Amir Watad — Sat, 24 Apr 2010 19:10:59 +0000

If you wrote some elegant code, and want to publish it as a HTML page, you can easily do that in vim:
In command mode, type this:

:TOhtml

A new buffer will be opened with the HTML source, just save it:

:wq

If the original file name was “mycode.c”, you’ll find a new file in the same directory named “mycode.c.html”. Open it with your favourite web browser.

Wow, not?
Have fun

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Vim Tip – Convert Code To HTML

Make Shell Scripts Executable By Default

Amir Watad — Sat, 26 Sep 2009 21:05:34 +0000

If you use vim to write shell scripts, you might want to save the “chmod +x” command after saving the script.

By adding the following line to your vimrc file (typically, it’s located at ~/.vimrc), scripts will automatically become executable.

au BufWritePost * if getline(1) =~ “^#!” | if getline(1) =~ “/bin/” | silent !chmod a+x | endif | endif

(meaning, if the file includes #! with “/bin/” in the path, apply “chmod a+x” on this file).

via shell-fu.

Have fun

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Make Shell Scripts Executable By Default

Edit The Command Line With Vim

Amir Watad — Mon, 01 Jun 2009 21:44:26 +0000

This is a quick (and great) tip I found at Daily Vim:

Open a linux terminal, and type some (long) command.
Now type [ctrl]+[x] and then [ctrl]+[e]
The command should be moved now to a vim window.
Edit the command (fix typos, change parameters, etc..) and save.
The command will now be executed.
Enjoy

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Edit The Command Line With Vim