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	#!/usr/bin/env python3
	"""strip outputs from an IPython Notebook
	Opens a notebook, strips its output, and writes the outputless version to the original file.
	Useful mainly as a git pre-commit hook for users who don't want to track output in VCS.
	This does mostly the same thing as the `Clear All Output` command in the notebook UI.
	Adapted from rom https://gist.github.com/minrk/6176788 to work with
	git filter driver

	# jk: found this here: https://github.com/cfriedline/ipynb_template/blob/master/nbstripout
	# jk config:
	In .gitattributes add the line:
	*.ipynb filter=stripoutput
	IN .git/config add the lines (!!adapt path to nbconvert!!):
	[filter "stripoutput"]
	clean = /home/krausej/bin/nbstripout
	smudge = cat
	required = true



	"""
	import sys



	from nbformat import v4

	def strip_output(nb):
	"""strip the outputs from a notebook object"""
	for cell in nb.cells:
	if 'outputs' in cell:
	cell['outputs'] = []
	if 'execution_count' in cell:
	cell['execution_count'] = 0
	return nb

	if __name__ == '__main__':
	nb = v4.reads(sys.stdin.read())
	nb = strip_output(nb)
	sys.stdout.write(v4.writes(nb))