Generates an 8 bit color table (256 colors) for reference purposes.

color-table.sh

#!/bin/bash

# Generates an 8 bit color table (256 colors) for
# reference purposes.

# credits for Michael.
# http://bitmote.com/index.php?post/2012/11/19/Using-ANSI-Color-Codes-to-Colorize-Your-Bash-Prompt-on-Linux

function boxcolor {
    printf "\033[48;5;$1m  \033[m "
}

echo "\n\n   8 BIT COLOR TABLE (256 COLORS)"

printf "\n   +  "
for i in {0..35}; do
    printf "%2b " $i
done

printf "\n\n %3b  " 0
for i in {0..15}; do
    boxcolor ${i}
done

#for i in 16 52 88 124 160 196 232; do
for i in {0..6}; do
    let "i = i*36 +16"
    printf "\n\n %3b  " $i
    for j in {0..35}; do
        let "val = i+j"
        boxcolor ${val}
    done
done

echo "\n\n END \n"