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+<file ruby pdudrull.rb>
+# ------------------------------------------------------------------
+# pdudrill.rb	Print all fields in a PDU (drilldown)
+#	usage : pdudrill <capture-file> <pduid>
+#
+#
+# ------------------------------------------------------------------
+require 'win32ole'
+USAGE = "pdudrill <capture-filename> <pdu-id>"
+# function printField
+#	Formats and prints a field (also subfields if present)
+#
+def printField(indent, field)
+	pad = "  "*indent
+	print pad
+	print "#{field.Name}\t\t #{field.Value} \n"
+	if field.SubFieldCount > 0
+		field.SubFields.each { |f| printField(indent+2, f) }
+	end
+end
+if ARGV.length != 2
+	puts USAGE
+	exit 1
+end
+InputFile = ARGV[0]
+PduID     = ARGV[1]
+UnsniffDB = WIN32OLE.new("Unsniff.Database")
+UnsniffDB.Open(InputFile)
+PDU = UnsniffDB.PDUIndex(PduID)
+PDU.Fields.each { |field| printField(1,field) }
+UnsniffDB.Close()
+</file>