Vim, the final text editor you need to learn

Transcript

1. Vim
   the final text editor you need to learn
   eddie@NISRA, fju
   

   View Slide

2. View Slide

3. Current Status
   80% iOS app, 20% Ruby/Rails
   

   View Slide

4. Scenario
   

   View Slide

5. I'm looking for a text editor..
   

   View Slide

6. 1. launch quickly
   2. easy to navigate between files
   3. and pretty syntax highlight
   

   View Slide

7. What's Vim?
   

   View Slide

8. it may look a little old-fashioned
   

   View Slide

9. but it can also be modern : )
   

   View Slide

10. So, Why Vim?
    

    View Slide

11. Keyboard-driven
    

    View Slide

12. Keyboard is King!
    

    View Slide

13. and, Why not Vim?
    

    View Slide

14. tonight, we have 2 Goals..
    

    View Slide

15. no Mouse
    

    View Slide

16. no Arrow keys
    

    View Slide

17. How to Vim?
    

    View Slide

18. Practice:
    Install Vim in your machine.
    http://www.vim.org/download.php
    

    View Slide

19. .vimrc
    

    View Slide

20. 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!
    

    View Slide

21. https://github.com/kaochenlong/eddie-vim
    

    View Slide

22. Modes
    normal, visual, and edit mode
    

    View Slide

23. Modes Switch:
    1. in normal mode, i or a or o to enter insert mode(i =
    insert, a = append, o = newline)
    2. in insert 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
    

    View Slide

24. ESC or Ctrl + [
    

    View Slide

25. View Slide

26. Practice:
    launch Vim and switch between normal,
    visual, and edit mode.
    

    View Slide

27. Basic
    

    View Slide

28. ✓: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.
    

    View Slide

29. ✓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.
    

    View Slide

30. 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
    

    View Slide

31. Vim Text Objects
    

    View Slide

32. d 3 w = delete 3 words
    

    View Slide

33. Word:
    1. aw - a word
    2. iw - inner word
    

    View Slide

34. 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
    

    View Slide

35. Sentence:
    1. as - a sentence
    2. is - inner sentence
    

    View Slide

36. 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
    

    View Slide

37. Paragraph:
    1. ap - a paragraph
    2. ip - inner paragraph
    

    View Slide

38. 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
    

    View Slide

39. Movement
    :h movement
    

    View Slide

40. move cursor with h, j, k and l
    disable arrow keys if possible
    

    View Slide

41. ✓w or W to move cursor forward by a word, and b
    or B is backward.
    ✓0 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.
    

    View Slide

42. ✓} will move cursor to next section, { move to last
    section.
    ✓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.
    

    View Slide

43. ✓gg will move the cursor to the top of the current
    file, and G will jump to bottom.
    ✓zz, zb, zt
    ✓/ search, n can jump to next matched result, and
    N will jump to last one.
    ✓* search the word on cursor.
    

    View Slide

44. Practice:
    try to move cursor with hjkl keys, not arrow
    keys.
    

    View Slide

45. Buffers
    :ls, :bd, :b3, :b filename, :tab ba
    

    View Slide

46. Practice:
    try to open several files, and switch between
    them with buffer commands.
    

    View Slide

47. Folding
    :h folds
    

    View Slide

48. Basic:
    - zf to fold selected lines
    - zd to un-fold selected lines
    

    View Slide

49. Practice:
    fold several lines, and unfold them .. x N
    

    View Slide

50. Editing
    

    View Slide

51. ✓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.
    

    View Slide

52. ✓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.
    ✓= re-format, gg=G re-format whole file.
    

    View Slide

53. ✓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.
    

    View Slide

54. Plugins
    

    View Slide

55. Pathogen
    nice plugin manager
    https://github.com/tpope/vim-pathogen
    

    View Slide

56. NERDTree
    A tree explorer
    https://github.com/scrooloose/nerdtree
    

    View Slide

57. SnipMate
    code snippets plugin, inspired by TextMate
    https://github.com/msanders/snipmate.vim
    

    View Slide

58. ctrlp
    Fuzzy file, buffer, mru, tag, etc finder
    https://github.com/kien/ctrlp.vim
    

    View Slide

59. surround.vim
    quoting/parenthesizing made simple
    https://github.com/tpope/vim-surround
    

    View Slide

60. vim-multiple-cursors
    Sublime Text style multiple selections for Vim
    https://github.com/terryma/vim-multiple-cursors
    

    View Slide

61. powerline
    the ultimate vim statusline utility
    https://github.com/Lokaltog/vim-powerline
    

    View Slide

62. rails.vim
    Ruby on Rails power tools
    https://github.com/tpope/vim-rails
    

    View Slide

63. fugitive
    a git wrapper for vim
    https://github.com/tpope/vim-fugitive
    

    View Slide

64. vimwiki
    personal wiki for vim
    https://github.com/vim-scripts/vimwiki
    

    View Slide

65. ragtag
    https://github.com/tpope/vim-ragtag
    

    View Slide

66. Practicing!
    

    View Slide

67. References
    

    View Slide

68. http://blog.eddie.com.tw/screencasts/
    

    View Slide

69. and more practice.. : )
    

    View Slide

70. Tips
    

    View Slide

71. 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.
    

    View Slide