vim tricks and tips

Vim Tricks

• ga :get ASCII code of the character under cursor
• g<CTRL-g> :get word count
• vimdiff :view diff between files
• :! :run command on terminal
• :r ! :run command and paste stdout to next line

Tags for reading source

• :tag position the cursor on tag position
• CTRL-] position the cursor on tag under the cursor
• CTRL-T go back after the previous jumps
• :ptag show tag in the preview window
• CTRL-W } show tag under cursor in preview window
• CTRL-W z close preview window (opened by above 2 commands)

:%TOhtml :Creates an html rendering of the current file.

Surround visual selection in quotes

Surround in single quotes:

vnoremap <leader>s' c'<C-r>"'<Esc>
vnoremap <leader>s" c"<C-r>""<Esc>

Vim Registers

vim registers tutorial

yank to and paste from given register

"<reg>y to yank into register

"<reg>p to paste from register

Erase word or line in Insert Mode

C-w: erase word

C-u: erase line

VimL Snippets

:execute "normal! gg/foo\<cr>dd"

add ; at the EOL and return to the cursor position

:execute "normal! gg" . '/\vfor .+ in .+:' . "\<cr>"

add \v to turn on 'magic regex parsing mode', similar to egrep

Helper Functions

function! Relpath(fname, basedir)
  let l:rv = substitute(a:fname, a:basedir . "/", "","")
  echom l:rv 
  return l:rv 
endfunction