Is it possible to pipe HDF5 formated data? -


it possible write hdf5 stdout , read stdin (via h5::file file("/dev/stdout",h5f_acc_rdonly) or otherwise)?

what want have program foo write hdf5 file (taken first argument, say) , program bar read hdf5 file , instead of

command_prompt> foo temp.h5 command_prompt> bar temp.h5 command_prompt> rm temp.h5

simply say

command_prompt> foo - | bar -

where programs foo , bar understand special file name - mean stdout , stdin respectively. in order write programs, want know 1) whether @ possible , 2) how implement this, i.e. pass h5fcreate() , h5fopen(), respectively, in case file name = -.

i tried , seems impossible (not big surprise). hdf5 has h5fcreate(), h5fopen(), , h5freopen(), neither of seems support i/o stdin/stdout.

i not think can use stdin hdf5 input file. library needs seek around between header contents , data, , cannot stdin.


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