import tables
import numpy

fileh = tables.open_file('earray1.h5', mode='w')
a = tables.StringAtom(itemsize=8)
# Use ``a`` as the object type for the enlargeable array.
array_c = fileh.create_earray(fileh.root, 'array_c', a, (0,), "Chars")
array_c.append(numpy.array(['a'*2, 'b'*4], dtype='S8'))
array_c.append(numpy.array(['a'*6, 'b'*8, 'c'*10], dtype='S8'))

# Read the string ``EArray`` we have created on disk.
for s in array_c:
    print 'array_c[%s] => %r' % (array_c.nrow, s)
# Close the file.
fileh.close()