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Diffstat (limited to 'Doc/library/optparse.rst')
| -rw-r--r-- | Doc/library/optparse.rst | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/Doc/library/optparse.rst b/Doc/library/optparse.rst index 9a4ba4e..e5f40f4 100644 --- a/Doc/library/optparse.rst +++ b/Doc/library/optparse.rst @@ -678,7 +678,9 @@ automatically adds a ``--version`` option to your parser. If it encounters this option on the command line, it expands your ``version`` string (by replacing ``%prog``), prints it to stdout, and exits. -For example, if your script is called ``/usr/bin/foo``:: +For example, if your script is called ``/usr/bin/foo``: + +.. code-block:: shell-session $ /usr/bin/foo --version foo 1.0 @@ -728,14 +730,18 @@ program's usage message and an error message to standard error and exits with error status 2. Consider the first example above, where the user passes ``4x`` to an option -that takes an integer:: +that takes an integer: + +.. code-block:: shell-session $ /usr/bin/foo -n 4x Usage: foo [options] foo: error: option -n: invalid integer value: '4x' -Or, where the user fails to pass a value at all:: +Or, where the user fails to pass a value at all: + +.. code-block:: shell-session $ /usr/bin/foo -n Usage: foo [options] |