92 lines
3.4 KiB
Markdown
92 lines
3.4 KiB
Markdown
Spectrum
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========
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Provides for easier use of 256 colors and effects.
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To learn more about text formatting, read [A Guide to 256 Color Codes][1].
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Variables
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---------
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- `BG` provides background colors.
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- `FG` provides foreground colors.
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- `FX` provides effects.
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### Background and Foreground
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Terminals support 8, 16, 88, and 256 colors. Check if a terminal supports 256
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colors with `tput colors` before use.
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The following colors are supported.
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- 0 to 255
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- black
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- red
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- green
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- yellow
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- blue
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- magenta
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- cyan
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- white
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### Effects
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Though there are many effects, most terminals support at least bold formatting.
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**Not all effects work on all terminals; use them sparingly.**
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| Enable | Disable |
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| ------------------------- | ---------------------------- |
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| | none |
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| | normal |
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| bold | no-bold |
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| faint | no-faint |
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| standout | no-standout |
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| underline | no-underline |
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| blink | no-blink |
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| fast-blink | no-fast-blink |
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| reverse | no-reverse |
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| conceal | no-conceal |
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| strikethrough | no-strikethrough |
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| gothic | no-gothic |
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| double-underline | no-double-underline |
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| proportional | no-proportional |
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| overline | no-overline |
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| | |
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| | no-border |
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| border-rectangle | no-border-rectangle |
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| border-circle | no-border-circle |
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| | |
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| | no-ideogram-marking |
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| underline-or-right | no-underline-or-right |
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| double-underline-or-right | no-double-underline-or-right |
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| overline-or-left | no-overline-or-left |
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| double-overline-or-left | no-double-overline-or-left |
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| stress | no-stress |
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| | |
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| | font-default |
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| font-first | no-font-first |
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| font-second | no-font-second |
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| font-third | no-font-third |
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| font-fourth | no-font-fourth |
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| font-fifth | no-font-fifth |
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| font-sixth | no-font-sixth |
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| font-seventh | no-font-seventh |
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| font-eigth | no-font-eigth |
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| font-ninth | no-font-ninth |
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### Plain Text
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Use `$BG[none]`, `$FG[none]`, or `$FX[none]` to turn off formatting.
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Authors
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-------
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*The authors of this module should be contacted via the [issue tracker][2].*
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- [P.C. Shyamshankar](https://github.com/sykora)
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- [Sorin Ionescu](https://github.com/sorin-ionescu)
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[1]: http://lucentbeing.com/writing/archives/a-guide-to-256-color-codes/
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[2]: https://github.com/sorin-ionescu/prezto/issues
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