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	#!/usr/bin/env python3
	#
	# numeric value validator
	#
	# Copyright (C) 2018 VyOS maintainers and contributors
	#
	# This program is free software; you can redistribute it and/or
	# modify it under the terms of the GNU General Public License
	# as published by the Free Software Foundation; either version 2
	# of the License, or (at your option) any later version.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program; If not, see <http://www.gnu.org/licenses/>.

	import os
	import sys
	import shlex

	import vyos.util


	if __name__ == '__main__':
	if len(sys.argv) < 2:
	sys.exit('Please specify script file to check')

	# if the "script" is a script+ stowaway arguments, this removes the aguements
	script = shlex.split(sys.argv[1])[0]

	if not os.path.exists(script):
	sys.exit(f'File {script} does not exist')

	if not (os.path.isfile(script) and os.access(script, os.X_OK)):
	sys.exit('File {script} is not an executable file')

	# File outside the config dir is just a warning
	if not vyos.util.file_is_persistent(script):
	sys.exit(
	'Warning: file {path} is outside the / config directory\n'
	'It will not be automatically migrated to a new image on system update'
	)