#!/usr/bin/env bash
# The MIT License (MIT)
# 
# Copyright (c) 2011-2015 Ismaël Bouya http://www.normalesup.org/~bouya/
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.


echo "   Bg   | Fg"
printf -- '-%.0s' {1..122} ; echo ""
for((bg=40;bg<=47;bg++)); do
  for int in 0 60; do
    for b in 0 1 4 7 9; do
      if [ $bg -gt 40 -a "(" $b = 7 -o $b = 9 -o $b = 4 ")" ]; then
        continue
      fi

      if [ $b = "0" ]; then
        echo -en "\033[0m""ESC[$((${bg}+${int}))m"
        if [ $int = 0 ]; then
          echo -n " "
        fi
        echo -n "| "
      else
        echo -en "        | "
      fi

      for((fg=30;fg<=37;fg++)); do
        echo -en "\033[$((${bg}+${int}))m\033[${b};${fg}m [${b};${fg}m"
        echo -en "\033[$((${bg}+${int}))m\033[${b};$((${fg}+60))m [${b};$((${fg}+60))m"
      done

      echo -e "\033[0m"
    done
  done
  printf -- '-%.0s' {1..122} ; echo ""
done