17db96d56Sopenharmony_ci"""When called with a single argument, simulated fgrep with a single
27db96d56Sopenharmony_ciargument and no options."""
37db96d56Sopenharmony_ci
47db96d56Sopenharmony_ciimport sys
57db96d56Sopenharmony_ci
67db96d56Sopenharmony_ciif __name__ == "__main__":
77db96d56Sopenharmony_ci    pattern = sys.argv[1]
87db96d56Sopenharmony_ci    for line in sys.stdin:
97db96d56Sopenharmony_ci        if pattern in line:
107db96d56Sopenharmony_ci            sys.stdout.write(line)
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