 class="last even sf-item-4 sf-depth-4 sf-no-children"><a href="../converting-to-netcdf/CREATING-A-MULTI-FILE-NETCDF-DATA-SET.html" class="sf-depth-4">10.4 CREATING A MULTI-FILE NETCDF DATA SET</a></li></ul></li><li id="menu-1400-1" class="middle odd sf-item-13 sf-depth-3 sf-total-children-6 sf-parent-children-0 sf-single-children-6 menuparent"><a href="../writing-external-functions.html" class="sf-depth-3 menuparent">11. Writing External Functions</a><ul><li id="menu-1305-1" class="first odd sf-item-1 sf-d