diff -u -r ratpoison-cvs-20001228-1029/src/actions.c ratpoison-cvs-20001228-1029-with-number/src/actions.c
--- ratpoison-cvs-20001228-1029/src/actions.c	Fri Dec 15 20:52:28 2000
+++ ratpoison-cvs-20001228-1029-with-number/src/actions.c	Thu Dec 28 13:59:38 2000
@@ -2,6 +2,7 @@
    keystrokes */
 
 #include <unistd.h>
+#include <string.h>
 #include <sys/wait.h>
 #include <X11/keysym.h>
 
@@ -126,6 +127,26 @@
       update_window_names (rp_current_window->scr);
     }
 }
+void
+renumber_current_window (int newnumber)
+{
+  int oldnumber;
+  rp_window *otherwin;
+  
+  if (rp_current_window == NULL) return;
+
+  /* Save old number if the new is occupied. */
+  oldnumber = rp_current_window->number;
+
+  /* Find other window with same number and give it old number. */
+  if ((otherwin = find_window_by_number (newnumber)) != NULL)
+    otherwin->number = oldnumber;
+  
+  rp_current_window->number = newnumber;
+
+  /* Update the program bar. */
+  update_window_names (rp_current_window->scr);
+}
 
 
 void
@@ -159,6 +180,8 @@
 execute_command (void *data)
 {
   char cmd[100];
+  char errormsg[100];
+  int number;
 
   if (rp_current_window)
     {
@@ -173,7 +196,23 @@
 
   PRINT_DEBUG ("user entered: %s\n", cmd);
 
-  spawn (cmd);
+  /* This code is really ugly. It should be an own function, so that it could be reused when parsing a config file. - cosis */
+  if(!strncmp(cmd, "number", 6))
+  {
+      number = atol(cmd + 7);
+      renumber_current_window(number);
+      return;
+  }
+  if(!strncmp(cmd, "exec", 4))
+  {
+      spawn (cmd + 5);
+      return;
+  }
+
+  strcpy(errormsg, ": Unknown command '");
+  strncat(errormsg, cmd, 78);
+  strcat(errormsg, "'");
+  display_msg_in_bar (&screens[0], errormsg);
 }
 
 void