5
votes
Accepted
How can I convert vim8 function mapping to vim9?
I would go with :h vim9-differences before converting legacy to vim9 script.
In your def function:
remove last : string in def as function returns nothing
let should be replaced with var
a:command ...
- 12.2k
5
votes
Accepted
How Can I Rename a Command but Still Use the Original Command
If you want to keep your habit typing tabclose you could use:
cnoreabbrev tabclose TabClose
Or as mentioned by @Rich to avoid that the abbreviation triggers in search or as part of other commands:
...
- 8,320
3
votes
Accepted
Passing arguments to function in remapping
Those are mappings, not "remappings".
You can use :help getcharstr() to, well… get one character from the user:
xnoremap <expr> <key> Wrap("w", getcharstr())
nnoremap &...
- 36.9k
3
votes
Accepted
How to predefine functions in syntax file?
Vimscripts are sourced one line at a time, from top to bottom, so "things" have to be defined before they are consumed:
let a = 1
echomsg a
echomsg b
let b = 2
1
E121: Undefined variable: b
...
- 36.9k
3
votes
How can I make a command that checks iteratively through parent roots until it finds something or reaches C:/?
You can use the findfile() function, together with the file-searching features in order to try to find the path to a file up the directory tree.
For example:
:echo findfile('top-level.txt', '.;')
...
- 27.5k
3
votes
Accepted
Recursion in lambda expressions
It is possible, but you must refer to Fac as a "global" with g: to allow the lambda to refer to "itself," even if it is not actually defined already.
let Fac = { n -> n == 0 ? 1 ...
- 13.6k
2
votes
Accepted
Select entire function call or extend selection
For
func(gunk(a, b))
with the cursor on the f of func, I would press y% or d%. The % command jumps between matching pairs (roughly; depending on configuration, optional plugins that ship with Vim, ...
- 23.9k
2
votes
Accepted
How to write the command statement to call customized function briefly?
You seem to be reading the documentation one paragraph at a time, without the required foundational knowledge.
"Defining command-line commands" is introduced in chapter 40 of the user manual:...
- 36.9k
2
votes
Accepted
User function unexpectedly returns the same output every call
let copy = g:jsonTemplate
Obviously, this looks very wrong, as "jsonTemplate" has a type of List. And simple assignment of a list doesn't make a new copy in VimScript (and also in many or ...
- 19.5k
2
votes
Vimscript: how to overwrite a variable that is inside an if block?
The system() return includes a trailing newline:
:let ls = system('ls | wc -l')
:echo '|' .. ls .. '|'
|61
|
Press ENTER or type command to continue
You can use ->trim() to remove newlines. Also, ...
- 60.2k
2
votes
Accepted
How do I change behavior on write based on file path?
In this case, the easiest would be to add a check for the path in your function; for example:
function! Formatonsave()
if expand('%:p') =~ expand('~/src/linux')
return
endif
…
...
- 60.2k
2
votes
Accepted
Can you select and execute VimL / VimScript inside another file?
Very simple command that works:
'<,'>source
Explanation:
'<,'>: that is the range. See this or :help '<
source: that is the ex-command to run VimL / Vimscript
Simple way:
Select text ...
- 184
1
vote
Accepted
Insert result of expression after cursor
I would do:
function! InsertDate()
execute "normal! \"=strftime('%FT%T%z')\<CR>p"
endfunction
Your tentative were good but the normal argument do not interpret the <CR> ...
- 8,320
1
vote
Can I use Telescope to find all commands and functions?
If you are searching for lsp symbols you can do:
:Telescope lsp_document_symbols
For this to work you need to have Neovim LSP framework to be connected to the corresponding LSP server.
In order to do ...
- 8,320
1
vote
Accepted
Get current vimscript script name and line number?
Found it! You can use expand('<sfile>') and expand('<sflnum>') see h sfile for all the expanded stuff you can use. But instead use:
function! log(msg) abort
echom expand('<stack>'...
- 233
1
vote
Accepted
Pass local variables in a vimscript function to python
I believe the problem is related to trailing ; in the definition of l:num_col
I would do:
function! MakeOrgTable(...)
let l:num_col = a:0 > 0 ? (a:0) : 0
python << EOF
import vim
vim.current....
- 8,320
1
vote
Accepted
User-defined commands that call the same functions but with different arguments
You are prefixing your function call with silent which effectively suppresses output of your echo in the function.
Remove it and see different output.
vim9script
def g:MyFunction(a: string, b: bool)
...
- 12.2k
1
vote
Accepted
Use regex pattern as argument to function
I would suggest to use a string for that:
autocmd BufReadPost * call TextEnableCodeSnip('bash', '^hello', '^world", 'SpecialComment')
function! TextEnableCodeSnip(filetype,start,end,textSnipHl) ...
- 8,320
1
vote
Accepted
How can I see a list of snippets in my Vim?
Coc Snippet Provider
If you are using coc you can install the coc-snippets plugin that provides a snippet provider and auto-completion of snippets.
You can install the snippet provider using the ...
- 8,320
1
vote
How to remap F16 to F19 on macOS?
What I have done is that I have deactivated the special F keys for macOS, to have the standard keys, so F1 opens the help in Neovim and I don't have to press the fn which is far better.
Then I ...
- 121
1
vote
How to suppress "No matching autocommands"?
Thx to Matt's comment. Found the answer in :h exists.
the relevant part is.
#event autocommand defined for this event
#event#pattern autocommand defined for this event and
...
- 940
1
vote
How could I make this mapping to a function repeatable?
Obviously, your mapping executes two commands, not one. Therefore, the second call (i.e. repeat-set) needs to have v:prevcount passed as argument.
As of "without plugins", a plugin in Vim is ...
- 19.5k
1
vote
Recursion in lambda expressions
I'm not sure if it's worth to do but, at least, it's worth to mention that we can also parse the call stack to get lambda's name. And so we have
" Calling the caller
function! Self(...) abort
...
- 19.5k
1
vote
Select entire function call or extend selection
You can do:
vf(%`
f( moves the the first parenthesis
% moves to the matching parenthesis
Another way if your are at b and to follow your idea is:
va(ob
va( select (gunc(a, b))
o switch the cursor in ...
- 8,320
1
vote
Accepted
Nvim function to compile file in terminal
We can pass the shell commands to the terminal buffer with :h chansend(). Here is an example:
function! RunCppFile(filename, filedir)
let cmd_compile = 'g++ ' . a:filename . ' -o ' . a:filedir . '\a....
- 5,269
1
vote
Different replace patterns depending on visual/visual line mode
You can use the mode() function.
It returns: v in visual mode and V in visual line mode.
More information with:
:help mode()
mode([expr]) Return a string that indicates the current mode.
...
- 8,320
1
vote
Automatically highlight visual selection matches
I have made it work. Firstly, I found from Vim does not call functions correctly when wrapped in another function that "Vim doesn't like updating Screen too often" so redraw was necessary ...
- 21
1
vote
in-place replacement of code in HTML documents with TOhtml?
OK, I need to think about something else than freaking Magento.
Pandoc would help with the first step but the rest can be done with pure Vim commands…
Tell :help :TOhtml to only generate fragments:
:...
- 36.9k
Only top scored, non community-wiki answers of a minimum length are eligible