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ANSI codes for cli controled output
# ANSI escape codes
[ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code) can be printed to a shell to as instructions.
The below is a list of codes I have used often in my CLI programs and I find myself looking up over and over again.
A great article about it can be found [here](https://www.lihaoyi.com/post/BuildyourownCommandLinewithANSIescapecodes.html).
## Content
- [Colors](#colors)
- [Styles](#styles)
- [Cursor movements](#cursor-movements)
- [Screen](#screen)
## Colors
### Font color
#### 8 Colors
| code | description |
| ------------ | ------------------ |
| `\u001b[30m` | Black font color |
| `\u001b[31m` | Red font color |
| `\u001b[32m` | Green font color |
| `\u001b[33m` | Yellow font color |
| `\u001b[34m` | Blue font color |
| `\u001b[35m` | Magenta font color |
| `\u001b[36m` | Cyan font color |
| `\u001b[37m` | White font color |
#### 16 Colors
| code | description |
| -------------- | ------------------------- |
| `\u001b[30;1m` | Bright Black font color |
| `\u001b[31;1m` | Bright Red font color |
| `\u001b[32;1m` | Bright Green font color |
| `\u001b[33;1m` | Bright Yellow font color |
| `\u001b[34;1m` | Bright Blue font color |
| `\u001b[35;1m` | Bright Magenta font color |
| `\u001b[36;1m` | Bright Cyan font color |
| `\u001b[37;1m` | Bright White font color |
#### 256 colors
| code | description |
| ----------------------------- | ---------------------------------------------------------------- |
| `\u001b[38;5;` + n + `m ` + n | Standard font color where `n` can be a number between 0-7 |
| `\u001b[38;5;` + n + `m ` + n | High intensity font color where `n` can be a number between 8-15 |
| `\u001b[38;5;` + n + `m ` + n | Rainbow font color where `n` can be a number between 16-231 |
| `\u001b[38;5;` + n + `m ` + n | Gray font color where `n` can be a number between 232-255 |
### Background colors
#### 8 Colors
| code | description |
| ------------ | ------------------------ |
| `\u001b[40m` | Black background color |
| `\u001b[41m` | Red background color |
| `\u001b[42m` | Green background color |
| `\u001b[43m` | Yellow background color |
| `\u001b[44m` | Blue background color |
| `\u001b[45m` | Magenta background color |
| `\u001b[46m` | Cyan background color |
| `\u001b[47m` | White background color |
#### 16 Colors
| code | description |
| -------------- | ------------------------------- |
| `\u001b[40;1m` | Bright Black background color |
| `\u001b[41;1m` | Bright Red background color |
| `\u001b[42;1m` | Bright Green background color |
| `\u001b[43;1m` | Bright Yellow background color |
| `\u001b[44;1m` | Bright Blue background color |
| `\u001b[45;1m` | Bright Magenta background color |
| `\u001b[46;1m` | Bright Cyan background color |
| `\u001b[47;1m` | Bright White background color |
#### 256 colors
| code | description |
| ----------------------------- | ---------------------------------------------------------------------- |
| `\u001b[48;5;` + n + `m ` + n | Standard background color where `n` can be a number between 0-7 |
| `\u001b[48;5;` + n + `m ` + n | High intensity background color where `n` can be a number between 8-15 |
| `\u001b[48;5;` + n + `m ` + n | Rainbow background color where `n` can be a number between 16-231 |
| `\u001b[48;5;` + n + `m ` + n | Gray background color where `n` can be a number between 232-255 |
## Styles
| code | description |
| ----------- | ---------------- |
| `\u001b[0m` | Reset all styles |
| `\u001b[1m` | Bold |
| `\u001b[4m` | Underline |
| `\u001b[7m` | Reversed |
## Cursor movements
| code | description |
| ----------------------------- | ------------------------------------------------ |
| `\u001b[` + n + `A` | Move Up by `n` rows |
| `\u001b[` + n + `B` | Move Down by `n` rows |
| `\u001b[` + n + `C` | Move Right by `n` columns |
| `\u001b[` + n + `D` | Move Left by `n` columns |
| `\u001b[` + n + `E` | Move cursor to beginning of line, `n` lines down |
| `\u001b[` + n + `F` | Move cursor to beginning of line, `n` lines up |
| `\u001b[` + n + `G` | Move cursor to column `n` |
| `\u001b[` + n + `;` + m + `H` | Move cursor to row `n` column `m` |
| `\u001b[{s}` | Save the current cursor position |
| `\u001b[{u}` | Restore the cursor to the last saved position |
## Screen
| code | description |
| ----------- | ----------------------------------------- |
| `\u001b[0J` | clears from cursor until end of screen |
| `\u001b[1J` | clears from cursor to beginning of screen |
| `\u001b[2J` | clears entire screen |
| `\u001b[0K` | clears from cursor to end of line |
| `\u001b[1K` | clears from cursor to start of line |
| `\u001b[2K` | clears entire line |
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