#! /usr/bin/env sh

for attr in 0 1 4 5 7 ; do
  echo "----------------------------------------------------------------"
  printf "\t\t- ESC[%s;Foreground;Background -\n" $attr
  for fore in 30 31 32 33 34 35 36 37; do
    for back in 40 41 42 43 44 45 46 47; do
      printf '\033[%s;%s;%sm %02s;%02s  ' $attr $fore $back $fore $back
    done
    printf '\033[0m\n'
  done
done