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15-to-16
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	#!/usr/bin/env python3
	#
	# Make 'system options reboot-on-panic' valueless

	import os
	import sys

	from vyos.configtree import ConfigTree

	if (len(sys.argv) < 1):
	print("Must specify file name!")
	sys.exit(1)

	file_name = sys.argv[1]

	with open(file_name, 'r') as f:
	config_file = f.read()

	config = ConfigTree(config_file)
	base = ['system', 'options']
	if not config.exists(base):
	# Nothing to do
	sys.exit(0)
	else:
	if config.exists(base + ['reboot-on-panic']):
	reboot = config.return_value(base + ['reboot-on-panic'])
	config.delete(base + ['reboot-on-panic'])
	# create new valueless node if action was true
	if reboot == "true":
	config.set(base + ['reboot-on-panic'])

	try:
	with open(file_name, 'w') as f:
	f.write(config.to_string())
	except OSError as e:
	print("Failed to save the modified config: {}".format(e))
	sys.exit(1)