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98
votes
8answers
26k views

How do I debug my vimrc file?

I have a problem in Vim, and I think it may be in my vimrc file (or have been told it could be my vimrc file). How do I verify this? If it is my vimrc file, how do I know where exactly the problem ...
97
votes
1answer
21k views

How to debug a mapping?

I see a lot of questions on here where a user has a mapping which doesn't work and most of the time the reasons are pretty similar. I suggest to make this question a reference for this kind of ...
442
votes
13answers
501k views

How can I copy text to the system clipboard from Vim?

Is there a way to copy a block of text to the system clipboard, so I can paste it in another program?
115
votes
2answers
11k views

How do I navigate to topics in Vim's documentation?

In Vim's built-in help system, how do I… search for topics that I want help on? follow hyperlinks? browse around for related material?
269
votes
10answers
143k views

What are the differences between the vim plugin managers?

I have been looking at the different package managers for vim, and the one I decided to use is vim-plug. However, I have seen others like pathogen and vundle, and I honestly don't know what the ...
9
votes
1answer
2k views

How do I use a variable or return value in option, command, or mapping?

I have a variable foo with let foo='value', and a function F like function F() return 'value' endfunction and I want to use them in an option: :set option=foo, :set option=F(); or in a command: :...
133
votes
7answers
188k views

How do I install a plugin in Vim/vi?

How do I install a plugin in Vim? Does it matter: Whether I use vi or Vim? Whether I use gVim? Which version of Vim I'm using? What my OS is?
43
votes
4answers
26k views

What is the difference between the vim snippets plugins?

There is a great number of snippets plugins for vim: ultisnips, snipmate, xptemplate, neosnippet and a lot more. They all have pros and cons and more or less dependencies. So far I've been using ...
11
votes
1answer
4k views

Mapping Ctrl with equal sign

I am trying to map my Ctrl and plus sign together. This is what I am trying in my vimrc: nnoremap <C-=> : echo "Hello" <CR> However it seems like the mapping is not being triggered. ...
22
votes
1answer
5k views

Can I map a Ctrl + upper-case letter separately from Ctrl + lower-case letter?

I am trying to figure out how to navigate windows little quicker, so I would like to map the following: :nmap <silent> <C-F> :wincmd f<CR> The problem is this remaps the ^f (lower-...
54
votes
3answers
19k views

Why should I use augroup?

I understand how auto commands work, and how to use them, but I'm somewhat unsure of what augroup is for. I read in :help augroup *:aug* *:augroup* :...
27
votes
1answer
3k views

Disable <Esc> but keep <C-[>

For switching back from Insert mode I'm used to <Esc>. Now I'm looking to retrain myself to <C-[> instead of <Esc>. For that i need to disable <Esc> to help with the ...
20
votes
3answers
13k views

Multiple cursors at desired location

I'm using vim-multiple-cursors plugin. I would like to put cursors exactly where I want. For example ([x] are the cursor positions): Lorem ipsum dolor sit amet[1], consectetur adipiscing elit, sed ...
59
votes
7answers
54k views

How to map Alt key?

I'm trying to map Alt key in the following way: :map <A-j> j :map <A-k> k but it doesn't work (bell is rang on Alt + j/Alt + k). What am I missing? I'm using Terminal on OSX, the same ...
27
votes
1answer
11k views

How to edit files non-interactively (e.g. in pipeline)?

I would like to edit files passed in pipeline input using vim in non-interactive way or edit files in-place (similar to sed). Few examples using sed: $ sed -i'.bak' s/foo/test/g file # Edit file ...
41
votes
4answers
13k views

How can I change the default indentation based on filetype?

I'd like to have different indentations based on the type of file I am working on. For example, working on a .c file I'd like my indentation be 4 spaces. In .html files I'd like to (have to) work with ...
38
votes
11answers
5k views

How to comment out a set of lines which are selected in visual mode?

How do I comment out multiple in visual mode selected lines? How do I make it language specific? For example, if the first 4 lines are selected: def foo(a,b): for each in (a,b): print ...
13
votes
1answer
3k views

Why do custom highlights in my vimrc get cleared or reset to default?

I would like to highlight (part of) my statusline with %1*, for example: set statusline=%1*%f%0* highlight User1 ctermbg=0 ctermfg=10 cterm=bold However, this always shows up as "empty" (the default ...
16
votes
5answers
1k views

Why does this <Esc> normal mode mapping affect startup?

I'm experiencing a weird problem with a normal mode mapping of Esc. If you create the file escmapvimrc with the contents: set nocompatible set showcmd " Doesn't affect the problem: just makes it ...
72
votes
4answers
21k views

How to save window, split, and buffer layout?

I have several tasks I am working on in one repository. I would like to create "workspaces" for working on them. One "workspace" or "buffer layout" would have all files I need to work on open in the ...
12
votes
5answers
2k views

How to run a substitute command on only a certain part of the line

I have the following line in my code: INCORRECT_EMAIL_MOBILE_COMBINATION("incorrect_email_mobile_combination"); When I try to substitute the underscores with spaces in visual mode (using :'<,'>...
12
votes
3answers
4k views

Mapping Ctrl+s does not work

I am trying to map Ctrl+s to save my file however it does not work. My mappings: map <C-s> :w <CR> :echo "Saved" <CR> imap <C-s> <Esc> :w <CR> :echo "Saved" <...
6
votes
1answer
240 views

Mathematical expressions in TeX files are displayed in a human-readable way

When I type some mathematical expressions in Tex files using Vim, e.g. a_{2} = a_{1} + a_{0}, it is displayed in a human readable way like a2 = a1 + a0. (Actually the numbers are of a smaller font, ...
181
votes
5answers
144k views

What's the simplest way to strip trailing whitespace from all lines in a file?

It's pretty common when programming or opening text files to encounter files with trailing whitespace at the end of a line. vim has a way to show this by setting the trail option in the listchars ...
33
votes
5answers
2k views

Performing certain operations without clearing register

Frequently, in configuration files I might copy and paste a block of lines, then I want to make small changes to that block. After pasting, I use x to delete characters that I want to remove, then ...
34
votes
2answers
3k views

Can I see the history of key presses in normal mode?

I know that Vim keeps history for ex commands, searches, jump locations, changes, and possibly others. With showcmd set, Vim also shows you what keys you have entered so far for a normal mode command,...
19
votes
1answer
12k views

How can I add additional syntax highlighting rules in my local vimrc?

I installed gvim on both Fedora and Win7. I found that both vim and gvim on Fedora didn't highlight the function name in c code while gvim on win7 did highlight it. I found that on win7, vim73/...
25
votes
4answers
6k views

How do I deal with very long lines in text (500+ characters)?

For some text formats, line breaks matter. For example, I often use Vim to write MediaWiki documents, where you can't just put a linebreak anywhere (unlike Markdown). So I'm forced to write lines ...
23
votes
2answers
12k views

How to use a variable in the expression of a 'normal' command?

How can one use a variable when executing something via normal! in vimscript? Example: function! MyFunction(someArg) normal! (a:someArg)l endfunction This should move the cursor someArg steps ...
30
votes
4answers
1k views

Why can ci" be outside of quoted area and ci( only works inside parentheses?

When using ci" the cursor does not have to reside in the double quoted area. |String somestring = "some text"; Assuming the pipe is the cursor position, ci" will make it jump to the quoted area. ...
37
votes
6answers
3k views

Applying settings to a directory tree only

At my work we use a standard ts of 2; my personal preference is 4, which is what I use for my hobby projects, and this other project we inherited has the convention of ts=8. There are also some other ...
54
votes
12answers
65k views

How to insert a newline without leaving normal mode

I wonder if I can insert a new line without leaving normal mode. For example, I have two lines: this is line one this is line two And the cursor is on line one. Now I want a new line between line ...
61
votes
6answers
19k views

Detect OS in Vimscript

Can I retrieve the current operating system (Windows, Linux, OS X, ..) using pure Vimscript (no Python or Perl)? I want to enable different settings in my (synchronized) .vimrc for different types of ...
33
votes
8answers
3k views

How do I move vertically until reaching a non-whitespace character?

In a very long file with (accurately-) indented code, it may be helpful to move directly to a line of text above or below the cursor which delimits the indenting. (One way of doing this could be via ...
56
votes
3answers
7k views

How do I reload my vimrc without leaving Vim?

When I do a change in my .vimrc, I usually exit Vim and open it again. Is there an easier way to reload the new .vimrc changes?
23
votes
1answer
3k views

How to make movements respect camelCase or snake_case?

It is common to use either camelCase or snake_case to separate multiple words which form an identifier. It would be nice if the "word" movements (b, w, e) would detect those inner-identifier ...
17
votes
5answers
3k views

How can I open multiple tabs at once?

If I use: :tabedit file1 file2 I get: E172: Only one file name allowed Is there any way to use :tabedit with multiple file names? Or another way to open multiple tabs at once?
17
votes
1answer
1k views

What does it mean to replace slashes (/) by exclamation marks (!) in a substitute command?

I recently saw a substitute command where the author had the / replaced by a ! like this: :s!abc!ABC!g I tried to find some documentation on this usage but I couldn't find anything relevant. So I ...
10
votes
3answers
4k views

Bash not recognizing aliases when run from Vim [duplicate]

In Vim, when I run this command :!bash -c "ll", I get this error message bash: ll: command not found. ll is an alias in my ~/.bashrc file. If I just enter ll from bash it works. I created a ~/....
4
votes
2answers
2k views

Strange behavior of <ctrl-j> remapping

I want ctrl-h, ctrl-j, ctrl-k and ctrl-l in insert mode to behave like the arrow keys. I have this (among other things) in my .vimrc: inoremap <C-j> <Down> inoremap <C-k> <Up&...
8
votes
2answers
7k views

Vim doesn't use the correct indentation in Python files

I have encountered something that I have never seen before in Vim. While I was tentatively modifying some of the source code for software I've been planning to work on, I noticed vim was displaying ...
6
votes
1answer
2k views

Mapping control-H in insert mode doesn't work; it always works like backspace

I tried mapping control-H, J, K, and L respectively in insert mode to move around splits. inoremap <C-h> <ESC><C-W><C-h>i inoremap <C-l> <ESC><C-W><C-l&...
186
votes
6answers
114k views

How do I change the current split's width and height?

I am working on split (using ^w+v, ^w+s) buffers, but sometimes I would like to widen a current split or change its height. How can I achieve that?
164
votes
8answers
222k views

How do I use vim as a diff tool?

I use vim as my primary editor. I would also like to use vim to diff files and modify the files while doing the diff to fix easy changes (rather than most diff techniques which are a cycle of diff/...
136
votes
4answers
45k views

What is the Vim8 package feature and how should I use it?

Vim 8 was released today and the release notes mentions a new "package" feature. What is it and how should I use it? Most importantly, does it replace the good old plugin managers?
76
votes
4answers
78k views

How do I fix the status bar symbols in the Airline plugin?

I installed the Airline plugin in order to have a custom status bar, as seen in the figure below: However, my status bar is presenting the symbols <, >> and <. How do I fix this problem?
86
votes
2answers
39k views

How can I find out what <Leader> is set to? And is it possible to remap <Leader>?

How can I figure out which key is set as my <Leader>, and how do I remap it?
69
votes
1answer
27k views

How to open multiple files in split mode?

I know how to split windows in vim, but it's possible to open multiple files using vim in split mode (at startup) from the command line? In example: vim file1 file2 file3 or: vim *.cpp
33
votes
5answers
10k views

What is the easiest way to insert Unicode characters into a document?

When writing documents occasionally I want to insert Unicode characters into the text. Sometimes I know the character code and sometimes I look it up on the web. Currently I go to insert mode and ...
26
votes
8answers
9k views

How to add permanent line numbers to a file?

I have a text file like this (using gVim on Windows) foo bar baz quux corge grault garply waldo fred plugh [...150 more lines...] xyzzy thud I want to add a number to each line in the file. Not ...

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