diff options
Diffstat (limited to 'Doc/library/subprocess.rst')
| -rw-r--r-- | Doc/library/subprocess.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst index 169801b..2af5489 100644 --- a/Doc/library/subprocess.rst +++ b/Doc/library/subprocess.rst @@ -68,7 +68,11 @@ This module defines one class called :class:`Popen`: needed: Usually, the program to execute is defined by the *args* argument. If ``shell=True``, the *executable* argument specifies which shell to use. On Unix, the default shell is :file:`/bin/sh`. On Windows, the default shell is - specified by the :envvar:`COMSPEC` environment variable. + specified by the :envvar:`COMSPEC` environment variable. The only reason you + would need to specify ``shell=True`` on Windows is where the command you + wish to execute is actually built in to the shell, eg ``dir``, ``copy``. + You don't need ``shell=True`` to run a batch file, nor to run a console-based + executable. *stdin*, *stdout* and *stderr* specify the executed programs' standard input, standard output and standard error file handles, respectively. Valid values |