1 files changed, 46 insertions, 0 deletions
diff --git a/terminal-colours.sh b/terminal-colours.sh
new file mode 100755
index 0000000..dc423e5
--- /dev/null
+++ b/terminal-colours.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+#
+# A non-bash version of
+#
+# http://tldp.org/HOWTO/Bash-Prompt-HOWTO/x329.html
+#
+# Original author:
+# https://lobste.rs/s/uyw4pq/lobsters_battlestations_screenshots#c_5qrnht
+
+text=${1:-gYw}
+textwidth=$((${#text} < 3 ? 3 : ${#text}))
+
+printtable () {
+	printf '\n%8s' ' '
+	for bg in $(bgs); do
+		printcol '' $bg ''
+	done
+	printf '\n'
+	for fg in $(fgs); do
+		printrow $fg
+		printrow 1\;$fg
+	done
+	printf '\n'
+}
+
+printcol () {
+	printf "%s  %${textwidth}s  %s " "${@}"
+}
+
+printrow () {
+	printf '%6s  ' "${1}"
+	for bg in $(bgs); do
+		printf "\033[%s\033[%s  %${textwidth}s  \033[0m " "${1}" $bg "${text}"
+	done
+	printf '\n'
+}
+
+bgs () {
+	(printf 49\\n; seq 40 47) | sed s/$/m/
+}
+
+fgs () {
+	(printf 39\\n; seq 30 37) | sed s/$/m/
+}
+
+printtable