Prints a color table of 8bg * 8fg * 2 states (regular/bold)

colors.sh

#!/bin/bash
#
# Description:
#
#    Prints a color table of 8bg * 8fg * 2 states (regular/bold)
#

echo
echo Table for 16-color terminal escape sequences.
echo Replace ESC with \\033 in bash.
echo
echo "Background | Foreground colors"
echo "---------------------------------------------------------------------"
for((bg=40;bg<=47;bg++)); do
  for((bold=0;bold<=1;bold++)) do
    echo -en "\033[0m"" ESC[${bg}m   | "
    for((fg=30;fg<=37;fg++)); do
      if [ $bold == "0" ]; then
        echo -en "\033[${bg}m\033[${fg}m [${fg}m  "
      else
	echo -en "\033[${bg}m\033[1;${fg}m [1;${fg}m"
      fi
    done
    echo -e "\033[0m"
  done
  echo "--------------------------------------------------------------------- "
done

echo
echo