cpython/Lib/test/subprocessdata/qgrep.py
Gregory P. Smith 51ee270876 issue7213: Open the pipes used by subprocesses with the FD_CLOEXEC flag from
the C code, using pipe2() when available.  Adds unittests for close_fds and
cloexec behaviors.
2010-12-13 07:59:39 +00:00

10 lines
253 B
Python

"""When called with a single argument, simulated fgrep with a single
argument and no options."""
import sys
if __name__ == "__main__":
pattern = sys.argv[1]
for line in sys.stdin:
if pattern in line:
sys.stdout.write(line)