cheatsheets/vimscript-snippets.md

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---
title: Vimscript snippets
---
## Functions
### Inspecting the buffer
line('.') " current line number
col('.')
getline('.') " current line as a string
getline(1)
getline(1, 0)
search("^$") " next blank line
getcurpos() " [bufnum, lnum, col, off, curswant]
getpos('.') " [bufnum, lnum, col, off]
expand('<cword>') " word under cursor
expand('%') " current file
" syntax stack
map(synstack(line('.'), col('.')), 'synIDattr(v:val, "name")')
### Files
fnameescape("string")
fnamemodify("main.c", ":p:h")
filereadable(fname)
fnamemodify(fname, ':e') " current file extension - see expand()
getfsize('file.txt')
getcwd()
### Math
fmod(9, 2) " modulus
floor(1.84)
ceil(1.84)
abs(-0.5)
### Strings
if a =~ '\s*'
## Binding
### Bind function to key and command
command! YoFunctionHere call s:YoFunctionHere()
nnoremap <silent> x :call <SID>FunctionHere()<CR>
function! s:FunctionHere()
endfunction
## Executing
### Execute normal keystrokes
### Running commands
normal 'ddahello'
exe 'normal ^C' " with expansions
wincmd J
### Call a function in insert mode
inoremap X <CR>=script#myfunction()<CR>
inoremap <F2> <C-R>=MyVimFunc()?'':''<CR>
### Checking plugins
if globpath(&rtp, "plugin/commentary.vim") != ""
## Autoload
" autoload/hello.vim
if exists("g:hello_loaded") | finish | endif
let g:hello_loaded=1
function hello#method()
endfunction
" calling hello#method() will load only if autoload()