diff --git a/irc/piraatit/undo-registered.bash b/irc/piraatit/undo-registered.bash
new file mode 100755
index 0000000..e1cea45
--- /dev/null
+++ b/irc/piraatit/undo-registered.bash
@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+# Copied from https://stackoverflow.com/a/8880633 except the nicks
+
+## declare an array variable
+declare -a arr=("#aaltopiraatit" "#grafiikka" "#hame" "#helsinki" "#hepihalko" "#kaakko" "#keski-suomi" "#mediaseuranta" "#pinu_hallitus" "#piraatit" "#piraattinuoret" "#piraattipuolue" "#piraattivpn" "#pirkanmaa" "#ppfi" "#sateenkaaripiraatit" "#sivusto" "#toiminta" "#tyoryhmaorganisaatiomalli" "#uusimaa" "#vaaliteltta" "#varainhankinta" "#varsinais-suomi" "#verkkopalvelut" "#mikaela" )
+
+## now loop through the above array
+for i in "${arr[@]}"
+do
+   echo "/msg ChanServ flags $i \$registered -VA"
+   # or do whatever with individual element of the array
+done
+
+## now loop through the above array
+for i in "${arr[@]}"
+do
+   echo "/msg ChanServ flags $i *!*@gateway/bridge/matrix/diasp.in -VA"
+   # or do whatever with individual element of the array
+done
+
+# You can access them using echo "${arr[0]}", "${arr[1]}" also