--- cdli/cdli_files.py	2006/07/18 13:42:52	1.39
+++ cdli/cdli_files.py	2006/07/25 07:51:49	1.40
@@ -1229,6 +1229,20 @@ class CDLIFileObject(CatalogAware,versio
         pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','viewCDLIFile.zpt')).__of__(self)
         return pt()
     
+    security.declarePublic('getPNumber')
+    def getPNumber(self):
+	"""get the pnumber"""
+	try:
+                txt=re.match("&[Pp](\d*)\s*=([^\r\n]*)",self.data[0:])
+        except:
+                txt=self.data[0:]
+                
+                return "ERROR"
+        try:
+            return "P"+txt.group(1)
+        except:
+            return "ERROR"
+
     security.declarePublic('getDesignation')
     def getDesignation(self):
         """get the designation out of the file"""