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Issue 6141: document that the first item of args is still the 

command name even when executable is specified.
This commit is contained in:
R. David Murray 2009-05-29 19:30:27 +00:00
parent 6b98544b32
commit fe6e784a9d
1 changed files with 6 additions and 3 deletions
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9
Doc/library/subprocess.rst
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@ -39,9 +39,12 @@ This module defines one class called :class:`Popen`:
Arguments are:
*args* should be a string, or a sequence of program arguments. The program
to execute is normally the first item in the args sequence or the string if a
string is given, but can be explicitly set by using the *executable*
argument.
to execute is normally the first item in the args sequence or the string if
a string is given, but can be explicitly set by using the *executable*
argument. When *executable* is given, the first item in the args sequence
is still treated by most programs as the command name, which can then be
different from the actual executable name. On Unix, it becomes the display
name for the executing program in utilities such as :program:`ps`.
On Unix, with *shell=False* (default): In this case, the Popen class uses
:meth:`os.execvp` to execute the child program. *args* should normally be a