ターミナルで256色出すやつの再発明

print_256.zsh

print_256_bg() {
        for c in {000..015}; do
                echo -n "\e[7m\e[38;5;${c}m $c \e[0m"
                [ $(($c%8)) -eq 7 ] && echo
        done
        for c in {016..255}; do
                echo -n "\e[7m\e[38;5;${c}m $c \e[0m"
                [ $(($c%12)) -eq 3 ] && echo
        done 
}

print_256() {
        for c in {000..015}; do
                echo -n "\e[38;5;${c}m $c " 
                [ $(($c%8)) -eq 7 ] && echo
        done
        for c in {016..255}; do
                echo -n "\e[38;5;${c}m $c "
                [ $(($c%12)) -eq 3 ] && echo
        done
}

print_256_test() { 
        echo "\e[48;5;${2}m\e[38;5;${1}m FG:${1} BG:${2} "
}