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#!/usr/bin/env python3
import argparse
import subprocess
import sys
def main() -> None:
parser = argparse.ArgumentParser()
parser.add_argument('command')
parser.add_argument('expected')
args = parser.parse_args()
out = subprocess.run(args.command, stdout=subprocess.PIPE)
actual = out.stdout.decode().strip()
if args.expected != actual:
print('expected:', args.expected, file=sys.stderr)
print('actual: ', actual, file=sys.stderr)
sys.exit(1)
sys.exit(0)
if __name__ == "__main__":
main()
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