Color swatches mode for __build_sgr_code

bin/__build_sgr_code

@@ -194,6 +194,21 @@ color_chart()
 	greyscale_chart
 }
 
+color_block()
+{
+	printf "\e[37;1;48;5;${1}m%3i\e[m " ${1}
+}
+
+color_swatches()
+{
+	while [ "$1" != "" ]
+	do
+		color_block $1
+		shift 1
+	done
+	printf "\n"
+}
+
 setup_color_depth()
 {
     use_8_bit=0
@@ -544,11 +559,18 @@ build_sgr_code()
 }
 
 output=""
-while [ ! -z $1 ]
+
-do
+if [ "$1" = "color-swatches" ]
-    build_sgr_code $1
+then
-    shift 1
+	shift 1
-done
+	color_swatches $*
+else
+	while [ ! -z "$1" ]
+	do
+		build_sgr_code $1
+		shift 1
+	done
+fi
 
 if [ ! -z "${output}" ] && [ ${nocsi} -ne 1 ]
 then