add piss daemon script usage

content/projects/piss_daemon/index.md

@@ -9,6 +9,26 @@ git = ["piss-daemon"]
 +++
 this is a dbus daemon (`pissd`) and client (`piss-level`) that monitor the international space station's urine tank level
 
-i have it integrated into my status bar
+i have it integrated into my status bar (X version):
 
 ![](./statusbar.png)
+
+```bash
+#...
+
+function piss {
+	PISS_LEVEL="$(piss-level)";
+	if [ -n "$PISS_LEVEL" ]; then
+		echo "  ${PISS_LEVEL}%";
+	fi;
+}
+
+#...
+
+while true; do
+    xsetroot -name "$(piss)$(batt)$(datetime)";
+	sleep 1;
+done;
+```
+
+i made this pretty much entirely so that i could call a program "piss daemon"