lib/spectrum.zsh


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# A script to make using 256 colors in zsh less painful.
# P.C. Shyamshankar <sykora@lucentbeing.com>
# Copied from https://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

# Show all 256 colors with color number
function spectrum_ls() {
  local ZSH_SPECTRUM_TEXT=${ZSH_SPECTRUM_TEXT:-Arma virumque cano Troiae qui primus ab oris}
  for code in {000..255}; do
    print -P -- "$code: $FG[$code]$ZSH_SPECTRUM_TEXT%{$reset_color%}"
  done
}

# Show all 256 colors where the background is set to specific color
function spectrum_bls() {
  local ZSH_SPECTRUM_TEXT=${ZSH_SPECTRUM_TEXT:-Arma virumque cano Troiae qui primus ab oris}
  for code in {000..255}; do
    print -P -- "$code: $BG[$code]$ZSH_SPECTRUM_TEXT%{$reset_color%}"
  done
}