Vim

Vim, maybe the final text editor you need to learn :)

Transcript

1. Vim
   the final text editor you need to learn
   ! ⾼高⾒見⻯⿓龍
3. Current Status
   80% iOS app, 20% Ruby/Rails
4. Scenario
5. I'm looking for a text editor..
6. 1. launch quickly
   2. easy to navigate between files
   3. and pretty syntax highlight
7. Vim
8. Vim = Vi iMproved
9. Free and Charity
10. What's Vim?
11. it may look a little old-fashioned
12. but it can also be modern : )
13. So, Why Vim?
14. Keyboard-driven
15. Keyboard is King!
16. and, Why not Vim?
17. seems very hard to learn..
18. you won’t use other editors after learning Vim..
19. Today, we have 2 Goals..
20. no Mouse
21. no Arrow keys
22. muscle memory
23. Tips
24. in terminal:
    1. ctrl + z to stash vim, and type fg to bring it back.
    2. ctrl + w to delete a word, ctrl + u to delete a whole line, both work in terminal and vim edit mode.
    3. ctrl + r to find history commands fuzzily.
25. How to Vim?
26. Practice:
    Install Vim in your machine. http://www.vim.org/download.php
27. :help
28. Modes
    normal, visual, and edit mode
29. Modes Switch:
    1. in normal mode, i or a or o to enter edit mode(i = insert, a = append, o = newline)
    2. in edit mode, ESC or Ctrl+[ to enter normal mode
    3. in normal mode, hit v or V to enter visual mode
    4. in visual mode, hit ESC or Ctrl+[ to normal mode
30. ESC or Ctrl + [
32. Practice:
    launch Vim and switch between normal, visual, and edit mode.
33. Movement
    :h movement
34. move cursor with h, j, k and l
    disable arrow keys if possible
35. photo by Kent-Chen
36. Practice:
    Use h, j, k, l instead of using arrow keys.
37. http://vim-adventures.com/
38. ✓w or W to move cursor forward by a word, and b or B is backward. ✓0 (number zero) to back to the begin of the line, and $ is jump to the end. ✓fx will stop the cursor at the next "x" character in current line, and F is search backward.
39. ✓} will move cursor to next section, { move to last section. ✓gg will move the cursor to the top of the current file, and G will jump to bottom.
40. Practice:
    Use word jumpers (b, w, fx..etc) to move cursor between words and lines.
41. ✓zz, zb, zt ✓/ search, n can jump to next matched result, and N will jump to last one. ✓* search the word on cursor.
42. Practice:
    search some keywords in your document.
43. Visual Selection
44. ✓vit will visually select content between the tag, while vat will even including the tag. ✓vi" will visually select content between current double quotes. ✓viw will select the current word. ✓ctrl+v to enter block selection mode.
45. Basic
46. ✓:w write to file. ✓:q exit Vim. ✓:tabe create a new tab. ✓gt to switch to next tab, gT to previous tab. (I map gt and gT to F7 and F8 in my vimrc) ✓:new to create a horizontal split window, :vnew or :vs to create a vertical split window.
47. ✓vi -o a.rb b.rb to open those two files at the same time with horizontal split window. ✓vi -O a.rb b.rb same as above, but in vertical split window. ✓vi -p a.rb b.rb to open files with tabs. ✓vi http://www.eddie.com.tw will read the source content into vim directly.
48. Practice:
    1. quit Vim, and launch Vim, quite Vim, and launch Vim .. x N
    2. open a file with Vim, exit, then open it again, then exit .. x N
49. Buffers
    :ls, :bd, :b3, :b filename, :tab ba
50. Practice:
    try to open several files, and switch between them with buffer commands.
51. Vim Text Objects
52. d 3 w = delete 3 words
53. Word:
    1. aw - around word
    2. iw - inner word
54. Practice:
    1. select a word, deselect, and select another word, and deselect.. x N
    ! 2. select a word, delete it, select another word, and delete.. X N
55. Sentence:
    1. as - a sentence
    2. is - inner sentence
56. Practice:
    1. select a sentence, deselect, and select another sentence, and deselect.. x N
    ! 2. select a sentence, delete it, select another sentence, and delete.. X N
57. Paragraph:
    1. ap - a paragraph
    2. ip - inner paragraph
58. Practice:
    1. select a paragraph, deselect, and select another paragraph, and deselect.. x N
    ! 2. select a paragraph, delete it, select another paragraph, and delete.. X N
59. Folding
    :h folds
60. Basic:
    - zf to fold selected lines
    - zd to un-fold selected lines
61. Practice:
    fold several lines, and unfold them .. x N
62. Editing
63. ✓D to clear all content of current line after the cursor. ✓C like D, but enter insert mode.
    dG will clear all content after the cursor, dgg will clear all content before the cursor. ✓x remove a character. ✓. to repeat last action. ✓dd to delete whole line, 3dd to delete 3 lines. ✓u to undo, ctrl+r to redo.
64. Practice!
65. ✓~ to toggle upper case and lower case. ✓:m+ to move current line to next line. ✓:m-2 to move current line to previous line. ✓>> to add indentation. ✓<< to reduce indentation. ✓= re-format, gg=G re-format whole file.
66. Practice!
67. ✓yy yank the whole line of the cursor. ✓3yy yank 3 lines. ✓p paste content from register, 3p paster content from register for 3 times.
68. Practice!
69. ✓dw, diw to delete the word in the cursor. ✓cw, ciw same as above, but enter insert mode. ✓r to replace current character. ✓J to concatenate current line with next line, 3J will concatenate next 3 lines. ✓> to add indentation, < to remove indentation.
70. .vimrc
71. ✓ set history=1000 keep 1000 lines of command line history. ✓ set undolevels=100 ✓ set ruler show the cursor position all the time ✓ set autoread auto read when file is changed from outside ✓ set cursorline ✓ set number ✓ set numberwidth=4
72. ✓ set nobomb no BOM(Byte Order Mark) ✓ set clipboard+=unnamed ✓ set splitright always open vertical split window in the right side. ✓ set splitbelow always open horizontal split window below. ✓ set scrolloff=5 start scrolling when n lines away from margins ✓ set showtabline=2 always show tab
73. ✓ set synmaxcol=128 ✓ set viminfo= disable .viminfo file ✓ filetype on enable filetype detection ✓ filetype indent on enable filetype-specific indenting ✓ filetype plugin on enable filetype-specific plugins ✓ syntax on syntax highlight ✓ set hlsearch search highlighting ✓ set incsearch incremental search ✓ set ignorecase ignore case when searching
74. ✓ set nobackup no *~ backup files ✓ set noswapfile ✓ set nowritebackup ✓ set expandtab replace <TAB> with spaces ✓ set softtabstop=2 ✓ set shiftwidth=2 ✓ set tabstop=2
75. to disable sound on errors… ✓ set visualbell ✓ set noerrorbells ✓ set t_vb= ✓ set tm=500
76. file encoding… ✓ set encoding=utf-8 ✓ scriptencoding utf-8
77. ignore something… ✓ set wildignore+=* .o,* .obj,* .pyc ✓ set wildignore+=* .png,* .jpg,* .gif,* .ico ✓ set wildignore+=* .swf,* .fla ✓ set wildignore+=* .mp3,* .mp4,* .avi,* .mkv
78. remove tailing whitespace… ✓ autocmd BufWritePre * :%s/\s\+$//e
79. key re-map… ✓ map <Leader><Leader> <Leader>c<space> comment ✓ noremap <F7> gT to previous tab ✓ noremap <F8> gt to next tab ✓ nmap <TAB> v> tab to add indentation ✓ nmap <S-TAB> v< shift-tab to reduce indentation ✓ vmap <TAB> >gv ✓ vmap <S-TAB> <gv !
80. key re-map… ✓ map 0 ^ ✓ nmap <leader>v :tabe $MYVIMRC<CR> ✓ map <leader>0 :topleft 100 :split README.md<CR>
81. Plugins
82. https://github.com/kaochenlong/eddie-vim
83. if you want to use my .vimrc
    1. clone from my Github repo
    2. cd to cloned repo and execute install script
    3. make symbolic link for vim
    4. done!
84. or if you trust me…
    1. via curl: sh <(curl -L https://github.com/kaochenlong/eddie-vim/raw/master/utils/install.sh) ! 2. via wget: sh <(wget --no-check-certificate https://github.com/kaochenlong/eddie-vim/raw/master/utils/install.sh -O -)
85. Pathogen
    nice plugin manager https://github.com/tpope/vim-pathogen
86. NERDTree
    A tree explorer https://github.com/scrooloose/nerdtree
87. SnipMate
    code snippets plugin, inspired by TextMate https://github.com/msanders/snipmate.vim
88. ctrlp
    Fuzzy file, buffer, mru, tag, etc finder https://github.com/kien/ctrlp.vim
89. surround.vim
    quoting/parenthesizing made simple https://github.com/tpope/vim-surround
90. vim-multiple-cursors
    Sublime Text style multiple selections for Vim https://github.com/terryma/vim-multiple-cursors
91. powerline
    the ultimate vim statusline utility https://github.com/Lokaltog/vim-powerline
92. rails.vim
    Ruby on Rails power tools https://github.com/tpope/vim-rails
93. fugitive
    a git wrapper for vim https://github.com/tpope/vim-fugitive
94. vimwiki
    personal wiki for vim https://github.com/vim-scripts/vimwiki
95. ragtag
    https://github.com/tpope/vim-ragtag
96. Practicing!
97. References
98. http://blog.eddie.com.tw/screencasts/
99. and more practice.. : )