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Vim commands

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anebz 2020-03-13 11:49:13 +01:00
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Missing CS semester/README.md
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@ -144,34 +144,44 @@ To go to **insertion mode**, press `i` and insert text. Press `<ESC>` to go back
Vim can have many tabs and buffers, initially it has a single tab, containing a single window. Vim can have many tabs and buffers, initially it has a single tab, containing a single window.
### 3.1. Command line
To enter **Command line mode**, type `:`. To enter **Command line mode**, type `:`.
* :q quit (close window) * :q quit (close window)
* :q! quit, discard all changes * :q! quit, discard all changes
* :w save (“write”) * :w save (“write”)
* :w \<file_name\> saves to file_name
* :r \<file_name\> read from file_name, paste content above cursor
* :wq save and quit * :wq save and quit
* :e {name of file} open file for editing * :e {name of file} open file for editing
* :ls show open buffers * :ls show open buffers
* :help {topic} open help * :help {topic} open help
* :help :w opens help for the :w command * :help :w opens help for the :w command
* :help w opens help for the w movement * :help w opens help for the w movement
* :!\<command\> to execute external commands, like :!ls
### 3.1. Movements ### 3.2. Movements
* Basic movement: `hjkl` (left, down, up, right) * Basic movement: `hjkl` (left, down, up, right)
* Words: w (next word), b (beginning of word), e (end of word) * Words: `w` (next word), `b` (beginning of word), `e` (end of word)
* Lines: 0 (beginning of line), ^ (first non-blank character), $ (end * of line) * `v` and move cursor, selects those lines. then press : to save or whatever. or `d` to delete for example
* Lines: `0` (beginning of line), `^` (first non-blank character), `$` (end * of line)
* Screen: H (top of screen), M (middle of screen), L (bottom of screen) * Screen: H (top of screen), M (middle of screen), L (bottom of screen)
* Scroll: Ctrl-u (up), Ctrl-d (down) * Scroll: Ctrl-u (up), Ctrl-d (down)
* File: gg (beginning of file), G (end of file) * File: `gg` (beginning of file), `G` (end of file)
* Line numbers: :{number}<CR> or {number}G (line {number}) * Line numbers: `{line_number}G`. To see which line you are in, `<Ctr> + G`
* Misc: % (corresponding item) * `<Ctr> + O` goes to next occurrence, `<Ctr> + I` to previous
* Misc: `%` (corresponding item)
* Cursor on ( and press `%`, you go to the matching )
* Find: f{character}, t{character}, F{character}, T{character} * Find: f{character}, t{character}, F{character}, T{character}
* find/to forward/backward {character} on the current line * find/to forward/backward {character} on the current line
* , / ; for navigating matches * , / ; for navigating matches
* Search: /{regex}, n / N for navigating matche * Search: `/{regex}`, `n` / `N` for navigating matches
### 3.2. Edits ### 3.3. Edits
* `i` enter insert mode * `i` enter insert mode
* but for manipulating/deleting text, want to use something* more than backspace * but for manipulating/deleting text, want to use something* more than backspace
@ -184,25 +194,31 @@ To enter **Command line mode**, type `:`.
* c{motion} change {motion} * c{motion} change {motion}
* e.g. cw is change word * e.g. cw is change word
* like d{motion} followed by i * like d{motion} followed by i
* x delete character (equal do dl) * `x` delete character (equal do dl)
* s substitute character (equal to xi) * `s` substitute character (equal to xi)
* :s/old/new changes first occurrence of old to new
* :s/old/new/g changes all occurreces of old to new throughout the line
* visual mode + manipulation * visual mode + manipulation
* select text, d to delete it or c to change it * select text, d to delete it or c to change it
* `u` to undo, `U` to undo whole line, \<Ctr\> + R to redo * `u` to undo, `U` to undo whole line, `<Ctr> + R` to redo
* y to copy / “yank” (some other commands like d also copy) * y to copy / “yank” (some other commands like d also copy)
* `p` to paste under the cursor * `p` to paste under the cursor
* Lots more to learn: e.g. ~ flips the case of a character * Lots more to learn: e.g. ~ flips the case of a character
### 3.3. Counts ### 3.4. Counts
* 3w move 3 words forward * 3w move 3 words forward
* 5j move 5 lines down * 5j move 5 lines down
* 7dw delete 7 words * 7dw delete 7 words
### 3.4. Demo ### 3.5. Demo
To learn vim: https://www.openvim.com/ and vimtutor. To learn vim: vimtutor.
```bash
sudo apt install vim sudo apt install vim
vimtutor
```
https://medium.com/actualize-network/how-to-learn-vim-a-four-week-plan-cd8b376a9b85 https://medium.com/actualize-network/how-to-learn-vim-a-four-week-plan-cd8b376a9b85