#! /bin/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 -AHg 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
}