diff --git a/tools/pylibopenflow/bin/pyopenflow-get-struct.py b/tools/pylibopenflow/bin/pyopenflow-get-struct.py
new file mode 100755
index 0000000..78297c5
--- /dev/null
+++ b/tools/pylibopenflow/bin/pyopenflow-get-struct.py
@@ -0,0 +1,74 @@
+#!/usr/bin/env python2.5
+"""This script reads struct from OpenFlow header file and output query
+
+(C) Copyright Stanford University
+Author ykk
+Date October 2009
+"""
+import sys
+import getopt
+import openflow
+
+def usage():
+    """Display usage
+    """
+    print "Usage "+sys.argv[0]+" <options> struct_name\n"+\
+          "Options:\n"+\
+          "-h/--help\n\tPrint this usage guide\n"+\
+          "-c/--cstruct\n\tPrint C struct\n"+\
+          "-n/--name\n\tPrint names of struct\n"+\
+          "-s/--size\n\tPrint size of struct\n"+\
+          ""
+          
+#Parse options and arguments
+try:
+    opts, args = getopt.getopt(sys.argv[1:], "hcsn",
+                               ["help","cstruct","size","names"])
+except getopt.GetoptError:
+    usage()
+    sys.exit(2)
+
+#Check there is only struct name
+if not (len(args) == 1):
+    usage()
+    sys.exit(2)
+    
+#Parse options
+##Print C struct
+printc = False
+##Print names
+printname = False
+##Print size
+printsize = False
+for opt,arg in opts:
+    if (opt in ("-h","--help")):
+        usage()
+        sys.exit(0)
+    elif (opt in ("-s","--size")): 
+        printsize = True
+    elif (opt in ("-c","--cstruct")): 
+        printc = True
+    elif (opt in ("-n","--names")): 
+        printname = True
+    else:
+        assert (False,"Unhandled option :"+opt)
+
+pyopenflow = openflow.messages()
+cstruct = pyopenflow.structs[args[0].strip()]
+pattern = pyopenflow.get_pattern(cstruct)
+
+#Print C struct
+if (printc):
+    print cstruct
+
+#Print pattern
+print "Python pattern = "+str(pattern)
+
+#Print name
+if (printname):
+    print cstruct.get_names()
+
+#Print size
+if (printsize):
+    print "Size = "+str(pyopenflow.get_size(pattern))
+