ll</strong>
methods of an h5-file. There are some non-obvious differences for novice
users between the two. <strong>close</strong> will close the file, but
groups and datatsets that are already open, will stay open. Furthermore,
as along as any object is still open, the file cannot be re-opened in
the regular fashion as HDF5 prevents a file from being opened more than
once.</p>
<p>However, it can be quite cumbersome to close all objects associated
with a file - that is if we even have still access to them. 