I am working on refining some algorithms to process some spectral data I have
stored in an h5 file using PyTables. The data is stored as an EArray. As I work
on my algorithm, I'd like to store intermediate computations in the same h5
file. The trouble I am having is as follows:
I create a new EArray to store the intermediate result
Then I iterate through my data, appending my results to the EArray
If I then realize I've made a mistake in computing the intermediate result, I
have to do something like:
try:
  res = fh.getNode(grp, 'res')
  res.remove()
except:
  pass
res = fh.createEArray(grp, 'res', Float32Atom(), (0,512))

in order to remove the old array so that I can start fresh. This seems to be
slow and cumbersome.
Is there any better way to do this? Perhaps a way to tell the EArray to start at
the beginning again so subsequent append operations overwrite old data?

Thanks,
Glenn


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