tools/ansi-colors at main · juergh/tools · GitHub

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#!/bin/bash
#
# Print ANSI colors
#

echo "3-bit and 4-bit escape sequence:"
echo
echo "\033[ <NUM> m <TEXT> \033[0m"
echo

props=(
	"0 reset"
	"1 bold"
	"2 faint"
	"3 italic"
	"4 underline"
	"5 slow blink"
	"6 rapid blink"
	"7 reverse"
)

for prop in "${props[@]}" ; do
	num=${prop%% *}
	text=${prop#* }
	printf "%-3d : " "${num}"
	echo -e "\033[${num}m${text}\033[0m"
done
echo

for num in $(seq 30 37) "" $(seq 90 97) ; do
	if [ -z "${num}" ] ; then
		echo
		continue
	fi
	printf "%-3d : " "${num}"
	echo -ne "\033[${num}m▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 01234567abcdefgh\033[0m"
	num=$((num + 10))
	printf "   %3d : " "${num}"
	echo -e "\033[${num}m▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 01234567abcdefgh\033[0m"
done
echo

echo "8-bit escape sequence:"
echo
echo "      Foreground                                     Background"
echo "      \033[38;5; <NUM> m <TEXT> \033[0m              \033[48;5; <NUM> m <TEXT> \033[0m"
echo

for num in $(seq 0 7) "" $(seq 8 15) "" $(seq 16 231) "" $(seq 232 255) ; do
	if [ -z "${num}" ] ; then
		echo
		continue
	fi
	printf "%3d : " "${num}"
	echo -ne "\033[38;5;${num}m▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 01234567abcdefgh\033[0m"
	printf "   %3d : " "${num}"
	echo -e "\033[48;5;${num}m▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 01234567abcdefgh\033[0m"
done