Notes from Vim masterclass by @vitaly-zdanevich @ Minsk Hackerspace

vimnotes

-- Modes --

i         # 
v         # visual selection mode
Ctrl+v    # visual block selection
ESC

Ctrl+o    # in insert mode - run one command in normal mode


-- Open / Navigate --

:vsplit ~/path/to/file
Ctrl+ww   # switch windows

:read scp://host/path
:read README.md              # insert external file into place
:r README.md

$ vim scp://host/path
$ vim -b file.bin


-- Work with multiple files: Buffers --

:ls               # opened buffers (including files)
:e path/to/file   # open file in buffers
:e path/to/dir    # open file browser
:bd               # close buffer


-- Editing --

u           # undo
Ctrl+r      # redo


-- Helpers --

:set spell

set number
set relativenumber
set nonumber


plugins:
  vim-gitgutter
  :GitGutterPreviewHunk
  :GitGutterUndoHunk
  vim-fugitive
  :Gblame
  vim-airline


-- Vim Registers --

:reg
8yy     # copy (yank) 8 lines
p       # paste after current line


-- Working with external programs --

!git commit -p

:set wrap
:!python3 -m json.tool -h   # run command
:%!python3 -m json.tool     # filter current contents with external command
:w !wl-copy                 # send current file contents to wayland clipboard
:!go fmt %                  # run command with path of current file
vjjj:!echo                  # select three lines visually, run echo with content in stdin and replace selection with stdout


-- Working with code --

shift*     # jump forward to current word
shift#     # jump backward to current word

@:         # repeat last command
.          # repeat last command too

Ctrl+x+Ctrl+o    # omni-complete
Ctrl+x+Crtl+f    # complete filename


Shift+F5         # jump to pair
ci(	         # change everything in ()
di'              # remove everything in ''
dis              # remove sentence
vis              # select inner sentence

/something       # search
/something\c     # search case-insensitive

"test object"
"buffer"
"window"
"tab"
"location"  (lnext)
???         (cnext)

8zf      #

[I       # where word is mentioned
[i       # ???


Ctrl+a     # increment int under cursor
Ctrl+x     # decrement int

%s/blablabla/gc
shift*v:s//replacement/g   # replace selected word in selected block

:Ctrl+r+Ctrl+w             # insert word under cursor

q:                         # list previous command, edit and run it

Shift+j


-- Things for future --

[ ] ??? how to visual select a block and then remove all such blocks?

Unix as IDE
+ ag
+ fd

[ ] onscreen keyboard for tutorials
[ ] follow the leader joint vim session

Setting up LSP for Terraform.

$ git clone https://github.com/autozimu/LanguageClient-neovim.git ~/.vim/pack/plugins/start/LanguageClient
$ curl -sSL "$(curl -s https://api.github.com/repos/juliosueiras/terraform-lsp/releases/latest | grep -o -E "https://.+?linux_amd64.+?.gz")" | tar xvz -C /tmp
$ mv /tmp/terraform-lsp ~/.vim/pack/plugins/start/LanguageClient/bin/

autocmd BufRead *.tf setlocal filetype=terraform

let g:LanguageClient_serverCommands = { 'terraform': ['~/.vim/pack/plugins/start/LanguageClient/bin/terraform-lsp'] }

Vitaly coded https://intelligent-speaker.com/ in vim.