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Diffstat (limited to 'Doc/library/subprocess.rst')
| -rw-r--r-- | Doc/library/subprocess.rst | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst index b60db58..56b6b6e 100644 --- a/Doc/library/subprocess.rst +++ b/Doc/library/subprocess.rst @@ -1292,11 +1292,17 @@ Replacing :func:`os.system` sts = os.system("mycmd" + " myarg") # becomes - sts = call("mycmd" + " myarg", shell=True) + retcode = call("mycmd" + " myarg", shell=True) Notes: * Calling the program through the shell is usually not required. +* The :func:`call` return value is encoded differently to that of + :func:`os.system`. + +* The :func:`os.system` function ignores SIGINT and SIGQUIT signals while + the command is running, but the caller must do this separately when + using the :mod:`subprocess` module. A more realistic example would look like this:: |