#!/usr/bin/env python
     # encoding: utf-8
     #
     # Copyright (c) 2009 Doug Hellmann All rights reserved.
     #
     """
     """
     #end_pymotw_header
     
     import pipes
     import tempfile
     
     # Establish a very simple pipeline using stdio
     p = pipes.Template()
     p.append('cat -', '--')
     p.debug(True)
     
     # Establish an input file
     t = tempfile.NamedTemporaryFile(mode='w')
     t.write('Some text')
     t.flush()
     
     # Pass some text through the pipeline,
     # saving the output to a temporary file.
     f = p.open(t.name, 'r')
     try:
         contents = f.read()
     finally:
         f.close()
     
     print contents