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vim: explain text objects and operators

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Rico Sta. Cruz 2017-08-31 18:27:06 +08:00
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@ -100,10 +100,88 @@ Getting started
| `y` | Yank selection _(Copy)_ |
{: .-shortcuts}
Text objects
------------
See [Operators](#operators) for other things you can do.
Operators
---------
{: .-three-column}
### Usage
{: .-prime}
Operators let you operate in a range of text (defined by *motion*). These are preformed in normal mode.
{: .-setup}
| `d` | `w` |
| Operator | Motion |
{: .-css-breakdown}
### Operators list
| Shortcut | Description |
| --- | --- |
| `d` | Delete |
| `y` | Yank _(copy)_ |
| `c` | Change _(delete then insert)_ |
| --- | --- |
| `>` | Indent right |
| `<` | Indent left |
| --- | --- |
| `g~` | Swap case |
| `gU` | Uppercase |
| `gu` | Lowercase |
| --- | --- |
| `!` | Filter through external program |
See `:help operator`
### Examples
Combine operators with *motions* to use them.
{: .-setup}
| Shortcut | Description |
| --- | --- |
| `d`_d_ | _(repeat the letter)_ Delete current line |
| `d`_w_ | Delete to next word |
| `d`_b_ | Delete to beginning of word |
| _2_`dd` | Delete 2 lines |
| `d`_ip_ | Delete a text object _(inside paragraph)_ |
| _(in visual mode)_ `d` | Delete selection |
See: `:help motion.txt`
Text objects
------------
{: .-three-column}
### Usage
{: .-prime}
Text objects let you operate (with an *operator*) in or around text blocks (*objects*).
{: .-setup}
| `v` | `i` | `p` |
| Operator | [i]nside or [a]round | Text object |
{: .-css-breakdown}
### Text objects
| Shortcut | Description |
| --- | --- |
| `p` | Paragraph |
| `w` | Word |
| `s` | Sentence |
| --- | --- |
| `[` `(` `{` `<` | A [], (), or {} block |
| `'` `"` <code>`</code> | A quoted string |
| --- | --- |
| `b` | A block [( |
| `B` | A block in [{ |
| `t` | A XML tag block |
{: .-shortcuts}
### Examples
| Shortcut | Description |
| --- | --- |
@ -114,38 +192,10 @@ Text objects
| `yap` | Yank paragraph (including newline) |
| --- | --- |
| `dip` | Delete inner paragraph |
| `cip` | Change inner paragraph |
{: .-shortcuts}
### Text objects
| Shortcut | Description |
| --- | --- |
| `ap` | a paragraph |
| `ip` | inner paragraph |
| --- | --- |
| `ap` `ip` | Paragraph |
| `aw` `iw` | Word |
| `as` `is` | Sentence |
| --- | --- |
| `a[` `a(` `a{` `a<` | A [], (), or {} block |
| `a'` `a"` <code>a`</code> | A quoted string |
| --- | --- |
| `ab` | A block [( |
| `aB` | A block in [{ |
| `at` | A XML tag block |
{: .-shortcuts}
### Navigation
| Shortcut | Description |
| --- | --- |
| `[(` `[{` `[<` | previous `(` or `{` or `<` |
| `])` | next |
| --- | --- |
| `[m` | previous method start |
| `[M` | previous method end |
{: .-shortcuts}
See [Operators](#operators) for other things you can do.
Misc
----
@ -171,6 +221,17 @@ Misc
Uppercase ones are recursive (eg, `zO` is open recursively).
### Navigation
| Shortcut | Description |
| --- | --- |
| `[(` `[{` `[<` | previous `(` or `{` or `<` |
| `])` | next |
| --- | --- |
| `[m` | previous method start |
| `[M` | previous method end |
{: .-shortcuts}
### Jumping
| Shortcut | Description |