On Mon, Apr 19, 2021 at 12:36 PM Grant Edwards <grant.b.edwa...@gmail.com> wrote:
> On 2021-04-19, Dan Stromberg <drsali...@gmail.com> wrote: > > On Mon, Apr 19, 2021 at 2:55 AM Loris Bennett < > loris.benn...@fu-berlin.de> wrote: > > > >> However, the options -o, -u, and -g are required, not optional. > >> > >> The documentation > >> > >> https://docs.python.org/3/library/argparse.html#required > >> > >> advises against required options and here > >> > >> > >> > https://stackoverflow.com/questions/24180527/argparse-required-arguments-listed-under-optional-arguments > >> > >> a way of adding a section 'required arguments' to the usage is > >> described. > >> > > > > Of _course_ some options need to be required. > > Traditionally, required "things" were called arguments and were not > prefixed with a hyphen. Optional "things" were called options (hence > the similarity in spelling between "optional" and "option"). > This is a silly thread. "option" should be conflated with "optional" no more than "argument" should be conflated with "a logician's disagreement". $ cpio below cmd output started 2021 Mon Apr 19 12:47:07 PM PDT cpio: You must specify one of -oipt options. Try `cpio --help' or `cpio --usage' for more information. Try 'cpio --help' or 'cpio --usage' for more information. $ tar below cmd output started 2021 Mon Apr 19 12:49:47 PM PDT tar: You must specify one of the '-Acdtrux', '--delete' or '--test-label' options Try 'tar --help' or 'tar --usage' for more information. -- https://mail.python.org/mailman/listinfo/python-list
