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H5FROMH4(1)			    h5utils			   H5FROMH4(1)

NAME
       h5fromh4	- convert HDF4 scientific datasets to an HDF5 file

SYNOPSIS
       h5fromh4	[OPTION]... [HDF4FILE]...

DESCRIPTION
       h5fromh4	 takes	one  or	more files in HDF4 format and outputs files in
       HDF5 format containing the datasets from	the HDF4  files.   (Currently,
       only a single dataset per HDF4 file is converted.)

       HDF4  and  HDF5	are  free,  portable binary formats and	supporting li-
       braries developed by the	National Center	 for  Supercomputing  Applica-
       tions at	the University of Illinois in Urbana-Champaign.

       A  single  h5 file can contain multiple data sets; by default, h5fromh4
       creates a dataset called	"data",	but this can be	changed	via the	-d op-
       tion, or	by using the syntax HDF5FILE:DATASET with the -o option.   The
       -a  option can be used to append	new datasets to	an existing HDF5 file.
       If the -o option	is used	and multiple HDF4 files	are specified, all the
       HDF4 datasets are output	into that HDF5 file with the  input  filenames
       (minus the ".hdf" suffix) used as the dataset names.

       The  most  basic	usage is something like	'h5fromh4 foo.hdf', which will
       output a	file foo.h5 containing the scientific dataset from foo.hdf.

OPTIONS
       -h     Display help on the command-line options and usage.

       -V     Print the	version	number and copyright info for h5fromh4.

       -v     Verbose output.

       -a     If the HDF5 output file already exists, append the data as a new
	      dataset rather than overwriting the file (the default behavior).
	      An existing dataset of the same name within the  file  is	 over-
	      written, however.

       -o file
	      Send  HDF5 output	to file	rather than to the input filename with
	      .hdf replaced with .h5 (the default).  If	multiple  input	 files
	      were  specified,	this causes all	input datasets to be stored in
	      file (rather than	in separate files), with the  input  filenames
	      (minus the .hdf suffix) as the dataset names.

       -d name
	      Write  to	 dataset  name	in  the	 output; otherwise, the	output
	      dataset is called	"data" by  default.   Alternatively,  use  the
	      syntax HDF5FILE:DATASET with the -o option.

BUGS
       Send bug	reports	to S. G. Johnson, stevenj@alum.mit.edu.

AUTHORS
       Written	by Steven G. Johnson.  Copyright (c) 2005 by the Massachusetts
       Institute of Technology.

h5utils				 March 9, 2002			   H5FROMH4(1)

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