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Clarify that close() of a stream opened by popen() returns None if the 

exit status is zero.
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Guido van Rossum 1998-10-15 13:28:29 +00:00
parent b7ffca393f
commit f35b884c91
1 changed files with 2 additions and 1 deletions
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Doc/lib/libposix.tex
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@ -293,7 +293,8 @@ The \var{bufsize} argument has the same meaning as the corresponding
argument to the built-in \function{open()} function. The exit status of argument to the built-in \function{open()} function. The exit status of
the command (encoded in the format specified for \function{wait()}) is the command (encoded in the format specified for \function{wait()}) is
available as the return value of the \method{close()} method of the file available as the return value of the \method{close()} method of the file
object. object, except that when the exit status is zero (termination without
errors), \code{None} is returned.
(Not on MS-DOS.) (Not on MS-DOS.)
\end{funcdesc} \end{funcdesc}