diff -r af637235ca81 -r 8c7f0a51ba50 schemadiff.py
--- a/schemadiff.py	Thu Jan 31 11:02:04 2013 +0100
+++ b/schemadiff.py	Thu Jan 31 13:24:57 2013 +0100
@@ -15,7 +15,9 @@
 
         self.parser.add_argument('-s', dest='schema', nargs='*', help='Schema filter')
         self.parser.add_argument('-t', dest='table', nargs='*', help='Table filter')
+        self.parser.add_argument('-f', dest='function', type=str, help='Function filter (regex)')
         self.parser.add_argument('--sql', action='store_true', help='Output is SQL script.')
+        self.parser.add_argument('--body', action='store_true', help='Output diff for function bodies.')
 
         self.init()
 
@@ -28,9 +30,12 @@
         try:
             if self.args.schema:
                 pgd.filter_schemas(include=self.args.schema)
-
             if self.args.table:
                 pgd.filter_tables(include=self.args.table)
+            if self.args.function:
+                pgd.filter_functions(self.args.function)
+            if self.args.body:
+                pgd.function_body_diff = True
 
             if self.args.sql:
                 pgd.print_patch()