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I get the following error when I run the following command. I think that help may use something that don't work well with pipe. Could anybody take a look?
~/linux/bin/xplat/src/pymisc/pyhelp/main$ ( echo 'import os'; echo 'help(os)'; )| python |head
Help on module os:
NAME
 os - OS routines for Mac, NT, or Posix depending on what system we're on.
FILE
 /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py
MODULE DOCS
 http://docs.python.org/library/os
Traceback (most recent call last):
 File "<stdin>", line 2, in <module>
 File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site.py", line 467, in __call__
 return pydoc.help(*args, **kwds)
 File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pydoc.py", line 1727, in __call__
 self.help(request)
 File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pydoc.py", line 1774, in help
 else: doc(request, 'Help on %s:')
 File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pydoc.py", line 1511, in doc
 pager(render_doc(thing, title, forceload))
 File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pydoc.py", line 1318, in pager
 pager(text)
 File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pydoc.py", line 1416, in plainpager
 sys.stdout.write(plain(text))
IOError: [Errno 32] Broken pipe
~/linux/bin/xplat/src/pymisc/pyhelp/main$ ( echo 'import os'; echo 'help(os)'; )| python
Help on module os:
NAME
 os - OS routines for Mac, NT, or Posix depending on what system we're on.
FILE
 /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py
MODULE DOCS
 http://docs.python.org/library/os
DESCRIPTION

Hello,
this is not a forum to get help with Python, but to report bugs.
In your case, the problem is simply that since help(os) prints more than 10 lines, head exits, and python gets EPIPE when writing to the pipe (which is normal when there's no reader).