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<H2><A NAME="SECTION0014820000000000000000"></A>
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12.8.2 <tt class=class>MultiFile</tt> Example 
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<dl><dd><pre class=verbatim>
fp = MultiFile(sys.stdin, 0)
fp.push(outer_boundary)
message1 = fp.readlines()
# We should now be either at real EOF or stopped on a message
# boundary. Re-enable the outer boundary.
fp.next()
# Read another message with the same delimiter
message2 = fp.readlines()
# Re-enable that delimiter again
fp.next()
# Now look for a message subpart with a different boundary
fp.push(inner_boundary)
sub_header = fp.readlines()
# If no exception has been thrown, we're looking at the start of
# the message subpart.  Reset and grab the subpart
fp.next()
sub_body = fp.readlines()
# Got it.  Now pop the inner boundary to re-enable the outer one.
fp.pop()
# Read to next outer boundary
message3 = fp.readlines()
</pre></dl><p>
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