enijar · September 5, 2016 11:29
diff --git a/colours.sh b/colours.sh
 #!/usr/bin/env bash

 for i in {0..255} ; do
    printf "\x1b[38;5;${i}m%3d " "${i}"
    if (( $i == 15 )) || (( $i > 15 )) && (( ($i-15) % 12 == 0 )); then
        echo;
    fi
 done
	#!/usr/bin/env bash

	for i in {0..255} ; do
	printf "\x1b[38;5;${i}m%3d " "${i}"
	if (( $i == 15 )) \|\| (( $i > 15 )) && (( ($i-15) % 12 == 0 )); then
	echo;
	fi
	done