Vim, the final text editor you need to learn

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

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

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Scenario

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I'm looking for a text editor..

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

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What's Vim?

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it may look a little old-fashioned

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but it can also be modern : )

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So, Why Vim?

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Keyboard-driven

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Keyboard is King!

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and, Why not Vim?

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tonight, we have 2 Goals..

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no Mouse

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no Arrow keys

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How to Vim?

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

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.vimrc

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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!

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

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Modes normal, visual, and edit mode

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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

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ESC or Ctrl + [

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

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Basic

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✓: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.

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✓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.

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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

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Vim Text Objects

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d 3 w = delete 3 words

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

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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

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

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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

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

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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

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Movement :h movement

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

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✓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.

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✓} 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.

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✓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.

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

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

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

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Folding :h folds

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

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

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Editing

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✓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.

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✓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.

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✓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.

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Plugins

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

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

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

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

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

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

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

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

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

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

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

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Practicing!

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References

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

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and more practice.. : )

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Tips

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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.