Keep email encryption as the final step in procmail

src/freedombone-addlist

@@ -101,22 +101,19 @@ chown -R $MYUSERNAME:$MYUSERNAME $LISTDIR
 
 if ! grep -q "Subject:.*()\[$SUBJECTTAG\]" $PM; then
     if ! grep -q "\# encrypt" $PM; then
-        echo "" >> $PM
-        echo "/# Email rule for $MAILINGLIST subject \[$SUBJECTTAG\]" >> $PM
-        echo ":0" >> $PM
-        echo "  * ^Subject:.*()\[$SUBJECTTAG\]" >> $PM
-        echo "$LISTDIR/new" >> $PM
-        echo "/# End of rule" >> $PM
-        chown $MYUSERNAME:$MYUSERNAME $PM
-    else
-        sed -i "/\# encrypt/i
-/# Email rule for $MAILINGLIST subject \[$SUBJECTTAG\]
+        filter="
+# Email rule for $MAILINGLIST subject [$SUBJECTTAG]
 :0
   * ^Subject:.*()\[$SUBJECTTAG\]
 $LISTDIR/new
-/# End of rule
-" $PM
+# End of rule
+"
+        echo "$filter" >> $PM
+    else
+        filter=$(echo "# Email rule for $MAILINGLIST subject [$SUBJECTTAG]\n:0\n  * ^Subject:.*()\\\[$SUBJECTTAG\\\]\n$LISTDIR/new\n# End of rule\n")
+        sed "/# encrypt/i ${filter}" $PM
     fi
+    chown $MYUSERNAME:$MYUSERNAME $PM
 fi
 
 if [ ! -f "$MUTTRC" ]; then