[issue7678] subprocess.Popen pipeline example code in the documentation is lacking

New submission from Steven K. Wong : The example code at http://www.python.org/doc/2.6.2/library/subprocess.html#replacing-shell-pipeline should be updated to add the close() call noted below: output=`dmesg | grep hda` ==> p1 = Popen(["dmesg"], stdout=PIPE) p2 = Popen(["gr

[issue7448] when piping output between subprocesses some fd is left open blocking forever

Steven K. Wong added the comment: Looks like a duplicate of http://bugs.python.org/issue7213 . -- nosy: +steven.k.wong ___ Python tracker <http://bugs.python.org/issue7

[issue5898] Hang in Popen.wait() when another process has been created

Steven K. Wong added the comment: See this related issue: http://bugs.python.org/issue7213 -- ___ Python tracker <http://bugs.python.org/issue5898> ___ ___ Pytho

[issue5898] Hang in Popen.wait() when another process has been created

Steven K. Wong added the comment: See this related issue: http://bugs.python.org/issue7448 -- ___ Python tracker <http://bugs.python.org/issue5898> ___ ___ Pytho

[issue5898] Hang in Popen.wait() when another process has been created

Steven K. Wong added the comment: I think the hang is not a bug. Take a look at the Popen documentation on close_fds. If you specify close_fds=True when creating proc2, the hang will not happen when you remove the "proc2.stdin.close()" line. -- nosy: +ste