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#!/usr/bin/env python3
# Copyright 2012 The Emscripten Authors. All rights reserved.
# Emscripten is available under two separate licenses, the MIT license and the
# University of Illinois/NCSA Open Source License. Both these licenses can be
# found in the LICENSE file.
"""This is a helper tool which is designed to make it possible
for other apps to read emscripten's configuration variables
in a unified way. Usage:
em-config VAR_NAME
This tool prints the value of the variable to stdout if one
is found, or exits with 1 if the variable does not exist.
"""
import sys
import re
from tools import config
def main():
if len(sys.argv) != 2 or \
not re.match(r"^[\w\W_][\w\W_\d]*$", sys.argv[1]) or \
not hasattr(config, sys.argv[1]):
print('Usage: em-config VAR_NAME', file=sys.stderr)
exit(1)
print(getattr(config, sys.argv[1]))
return 0
if __name__ == '__main__':
sys.exit(main())
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