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I think what you are referring to is called a sign by vim. Adding a sign seems to be a two-step process. First you define what it looks like, then you place it where you want. The basic syntax to de …

When defining a function, is it always recommended to use the scope s: to make it local to the script and avoid overwriting a function with the same name in the global namespace ? And is it always rec …

Let's say I've got the following function : function! SomeFunction() return "/tmp/foo" endfunction If I type : :echo SomeFunction() The function is evaluated and the output in vim is the s …

.') =~ '\S' return "\n{\n" else return "{\n" endif endfunction inoremap <expr> { <sid>InsertBrace() Edit If your vim version doesn't support vimscript functions, you could try …

Let's say I've got the word foo in a file, I copy it in register a ("ayiw) and I define the following mapping: inoremap <expr> <F3> "<C-r>a" If I hit F3 while in insert mode it will paste the conte …

You can represent the set of non-digit characters with the atom \D or with the expression [^0-9]. So, if your definition of an invalid string is any string containing a non-digit character, you could …

If you want g:myvar to be a string, you could define the following commands :AddMyvar and :RemoveMyvar: command! -nargs=1 -complete=customlist,s:CompleteMyvar AddMyvar \ if !exists('g:myvar' …

I would like to have a mapping that opens a buffer with all the lines containing the word under the cursor. I know such a mapping already exists in vanilla vim in normal mode [I. But I don't like the …

I don't know if it's correct, but to check if a string contains 3 words or more I would type this : :echo 'some random string' =~ '\v\s*(\w+\s+){2,}\w+\s*' For 4 words or more : :echo 'some random …

If I define the variable foo like this: :let foo = '~/Desktop' And I want to check the length of the string it contains, then I can type: :echo strlen(foo) The output is 9, which is right. If I …

I have the following code in a file: function! s:TrimWhitespace() abort range " Save cursor position, because the following substitution will move it let save_cursor = getpos('.') " Chec …

I would like to make some modification to the code of this plugin. It adds / changes some default keybindings. Among them are <C-b> and <C-f> which move the cursor one character to the left / right. …

So suppose you've got a line of vimscript in a file and want to source it quickly, you can copy it with Y, then source it on the command line with : :<C-r>" and enter. … In summary, you : copy your line of vimscript with Y switch to command mode with : hit <C-r> to enter the registers prompt type " to call the unnamed register hit backspace to delete the ^M character …

I often write functions in my ~/.vimrc or in ~/.vim/autoload/myfunctions.vim, which when executed result in an error such as: Error detected while processing function SomeFunction: line xx: Tho …

I don't know a lot about vimscript, but I noticed that the problem is not binary : vim is not quick then suddenly completely slow. The more I switch buffers, the more it is slow. … In the 14th chapter of Learn Vimscript the Hard Way, the author says that if you create an autocommand and define it twice, even though the autocommand is the same, it will be executed twice : When …