linux editor

Vim

→ Install neovim

# this to be run at each release
wget --quiet https://github.com/neovim/neovim/releases/download/stable/nvim.appimage --output-document nvim
chmod +x nvim
sudo mv nvim /usr/bin/
sudo ln -s /usr/bin/{nvim,vim}
sudo update-alternatives --install /usr/bin/editor editor /usr/bin/vim 1
sudo update-alternatives --config editor

Add those into .bashrc:

export EDITOR=/usr/bin/vim
export VISUAL=/usr/bin/vim

→ Install plugins

curl -fLo ~/.local/share/nvim/site/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim

cat ~/.config/nvim/init.vim
set encoding=utf-8
colo murphy
set hlsearch
set nonu

call plug#begin()
Plug 'https://github.com/ryvnf/readline.vim.git'
Plug 'https://github.com/tpope/vim-surround.git'
call plug#end()

" in order to keep terminal cursor after vim quit
set guicursor=n-v-c:block,i-ci-ve:ver25,r-cr:hor20,o:hor50
\,a:blinkwait700-blinkoff400-blinkon250-Cursor/lCursor
\,sm:block-blinkwait175-blinkoff150-blinkon175

Plugin install/update:

:PlugInstall
:UpdateRemotePlugins

→ Regexp

→ Gready / non Gready

In vim, .\{-} is equivalent to .*? for non gready operators:

:%s/jim.\{-}//g

→ Delete blank lines

:g/^$/d

→ No format on paste

:set paste
# Note: it breaks vim-readline

→ No numbering

:set nonu

→ Vim Surround

Add surround:

1. Visual a word, part of text
2. S" -> "surround"
3. S( -> (surround)

Replace surround:

1. On a "word" press cs"' to change to 'word'
2. On a "word" press cs") to change to (word)

Delete surround:

1. On a "word" press ds" to change to word