#!/usr/bin/env bash

# This file echoes a bunch of color codes to the terminal to demonstrate
# what's available. Each line is the color code of one foreground color,
# out of 17 (default + 16 escapes), followed by a test use of that color on
# all nine background colors (default + 8 escapes).

readonly test_text='gYw' # the test text

echo
echo -e "                 40m     41m     42m     43m     44m     45m     46m     47m";

for foreground_colors in '    m' '   1m' '  30m' '1;30m' '  31m' '1;31m' '  32m' '1;32m' '  33m' '1;33m' '  34m' '1;34m' '  35m' '1;35m' '  36m' '1;36m' '  37m' '1;37m'; do
    fg=${foreground_colors// /}
    echo -en " $foreground_colors \\033[$fg  $test_text  "
    for bg in 40m 41m 42m 43m 44m 45m 46m 47m; do
        echo -en "$EINS \\033[$fg\\033[$bg  $test_text  \\033[0m";
    done
    echo
done
echo