validate-value.py
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validate-value.py
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	#!/usr/bin/env python3

	import re
	import os
	import sys
	import argparse

	parser = argparse.ArgumentParser()
	parser.add_argument('--regex', action='append')
	parser.add_argument('--exec', action='append')
	parser.add_argument('--value', action='store')

	args = parser.parse_args()

	debug = False

	# Multiple arguments work like logical OR

	try:
	for r in args.regex:
	if re.fullmatch(r, args.value):
	sys.exit(0)
	except Exception as exn:
	if debug:
	print(exn)
	else:
	pass

	try:
	for cmd in args.exec:
	cmd = "{0} {1}".format(cmd, args.value)
	if debug:
	print(cmd)
	res = os.system(cmd)
	if res == 0:
	sys.exit(0)
	except Exception as exn:
	if debug:
	print(exn)
	else:
	pass

	sys.exit(1)