fix: move POSIX unsupported items outside of set -e If the non-poisx fail under a POSIX shell, allow the script to still run but with the errors. So all non-POSIX supported stuff goes before set -e. Courtesy of https://www.shellcheck.net/

License
=======

Roundup is Free Software under the following license (from the file
COPYING.txt in the software distribution):

.. raw:: html

   <div class="file_insert">

.. include:: ../COPYING.txt

.. raw:: html

   </div>