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       h5repack   -  Copy  an  HDF5  file  to  a  new  file  with  or  without


       h5repack -i file1 -o file2 [-h] [-v] [-f filter]  [-l  layout]  [-m
       number] [-e file]


       h5repack  is  a  command line tool that applies HDF5 filters to a input
       file file1, saving the output in a new file, file2.

       filter is a string with the format      <list of objects> : <name  of
       filter> = <filter parameters>.

       <list  of  objects>  is  a comma separated list of object names meaning
       apply compression only  to  those  objects.  If  no  object  names  are
       specified, the filter is applied to all objects.

       <name of filter> can be:
           GZIP, to apply the HDF5 GZIP filter (GZIP compression)
           SZIP, to apply the HDF5 SZIP filter (SZIP compression)
           SHUF, to apply the HDF5 shuffle filter
           FLET, to apply the HDF5 checksum filter
           NONE, to remove the filter

       <filter parameters> contains the optional compression information:
           SHUF (no parameter)
           FLET (no parameter)
           GZIP=<deflation level> from 1-9
           SZIP=<pixels  per  block,coding> (pixels per block is a even number
       in 2-32 and coding method is ’EC’ or ’NN’)

       layout is a string with the format
           <list of objects> : <layout type>

       <list of objects> is a comma separated list of  object  names,  meaning
       that  layout  information  is  supplied for those objects. If no object
       names are specified, the layout is applied to all objects.

       <layout type> can be:
           CHUNK, to apply chunking layout
           COMPA, to apply compact layout
           CONTI, to apply continuous layout

       <layout parameters> is present for the chunk case only it is the  chunk
       size of each dimension: <dim_1 x dim_2 x ... dim_n>


              The input and output HDF5 files

       -h     Print a help message

       -f filter
              Filter type

       -l layout
              Layout type

       -v     Verbose mode. Print output (list of objects in the file, filters
              and layout applied).

       -e file
              File with the -f and -l options (only filter and layout flags)

       -d delta
              Print only differences that are greater than  the  limit  delta.
              delta  must  be  a  positive number. The comparison criterion is
              whether  the  absolute  value   of   the   difference   of   two
              corresponding values is greater than delta (e.g., |a-b| > delta,
              where a is a value in file1 and b is a value in file2).

       -m number
              Do not apply the filter  to  objects  which  size  in  bytes  is
              smaller  than  number. If no size is specified a minimum of 1024
              bytes is assumed.


       Apply GZIP compression to all objects in file1 and save the  output  in

            h5repack -i file1 -o file2 -f GZIP=1 -v

       Apply SZIP compression only to object dset1:

            h5repack -i file1 -o file2 -f dset1:SZIP=8,NN -v

       Apply a chunked layout to objects dset1 and dset2:

            h5repack -i file1 -o file2 -l dset1,dset2:CHUNK=20x10 -v


       h5dump(1),   h5ls(1),  h5diff(1),  h5import(1),  gif2h5(1),  h52gif(1),
       h5perf(1), h5repart(1).