oh-my-bash/lib/spectrum.sh
2017-03-20 20:18:10 +07:00

38 lines
1.1 KiB
Bash

#!/usr/bin/env bash
# A script to make using 256 colors in bash less painful.
# P.C. Shyamshankar <sykora@lucentbeing.com>
# Copied from http://github.com/sykora/etc/blob/master/zsh/functions/spectrum/
typeset -Ag FX FG BG
FX=(
[reset]="%{^[[00m%}"
[bold]="%{^[[01m%}" [no-bold]="%{^[[22m%}"
[italic]="%{^[[03m%}" [no-italic]="%{^[[23m%}"
[underline]="%{^[[04m%}" [no-underline]="%{^[[24m%}"
[blink]="%{^[[05m%}" [no-blink]="%{^[[25m%}"
[reverse]="%{^[[07m%}" [no-reverse]="%{^[[27m%}"
)
for color in {000..255}; do
FG[$color]="%{^[[38;5;${color}m%}"
BG[$color]="%{^[[48;5;${color}m%}"
done
OSH_SPECTRUM_TEXT=${OSH_SPECTRUM_TEXT:-Arma virumque cano Troiae qui primus ab oris}
# Show all 256 colors with color number
function spectrum_ls() {
for code in {000..255}; do
print -P -- "$code: %{$FG[$code]%}$OSH_SPECTRUM_TEXT%{$reset_color%}"
done
}
# Show all 256 colors where the background is set to specific color
function spectrum_bls() {
for code in {000..255}; do
print -P -- "$code: %{$BG[$code]%}$OSH_SPECTRUM_TEXT%{$reset_color%}"
done
}