Jorgen's %clean array

IPython/Extensions/clearcmd.py

@@ -2,6 +2,7 b''
 """ IPython extension: add %clear magic """
 
 import IPython.ipapi
+import gc
 ip = IPython.ipapi.get()
 
 
@@ -27,6 +28,16 b' def clear_f(self,arg):'
                 try:
                     del self.user_ns[key]
                 except: pass
+        elif target == 'array':
+            try:
+                pylab=ip.IP.pylab
+                for x in self.user_ns.keys():
+                    if isinstance(self.user_ns[x],pylab.arraytype):
+                        del self.user_ns[x]
+            except AttributeError:
+                print "Clear array only available in -pylab mode"
+            gc.collect()                
+            
 
 ip.expose_magic("clear",clear_f)
     

IPython/Prompts.py

@@ -2,7 +2,7 b''
 """
 Classes for handling input/output prompts.
 
-$Id: Prompts.py 1261 2006-04-11 14:37:02Z vivainio $"""
+$Id: Prompts.py 1264 2006-04-11 19:24:29Z vivainio $"""
 
 #*****************************************************************************
 #       Copyright (C) 2001-2006 Fernando Perez <[e-mail]>
@@ -442,7 +442,6 b' class CachedOutput:'
         # Store the last prompt string each time, we need it for aligning
         # continuation and auto-rewrite prompts
         self.last_prompt = ''
-        self.entries = [None]  # output counter starts at 1 for the user
         self.Pprint = Pprint
         self.output_sep = output_sep
         self.output_sep2 = output_sep2
@@ -563,9 +562,8 b' class CachedOutput:'
         # hackish access to top-level  namespace to create _1,_2... dynamically
         to_main = {}
         if self.do_full_cache:
-            self.entries.append(arg)
             new_result = '_'+`self.prompt_count`
-            to_main[new_result] = self.entries[-1]
+            to_main[new_result] = arg
         self.user_ns.update(to_main)
         self.user_ns['_oh'][self.prompt_count] = arg