initial

tmux/powerline/segments/rainbarf.sh

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+# Print out Memory and CPU using https://github.com/creaktive/rainbarf
+
+run_segment() {
+	type rainbarf >/dev/null 2>&1
+	if [ "$?" -ne 0 ]; then
+		echo 'rainbarf was not found'
+		return
+	fi
+
+    # Customize via ~/.rainbarf.conf
+	stats=$(rainbarf --tmux)
+	if [ -n "$stats" ]; then
+		echo "$stats";
+	fi
+	return 0
+}