HDFPACK(1)
NAME
hdfpack - compress an HDF file
SYNOPSIS
hdfpack [-i|-b] [-d data-descriptors-per-block] [-t linked-blocks-per- table-entry] input-hdf-file output-hdf-file
DESCRIPTION
hdfpack compresses all of the data in an HDF file and writes the compressed data to a second HDF file.
OPTIONS
- -b Non-coalesced Blocks. hdfpack will not coalesce linked-block
- elements.
- -i Interactive Mode. hdfpack will prompt for each linked-block el
- ement.
- -d num Write an output file with the specified number of data descrip
- tors per block of data descriptors.
- -t num Write an output file with the specified number of linked blocks
- per table entry.
EXAMPLES
- To compress the data in the file named "aa.hdf" and store the compressed data in the file named "aa.cmp", use the following hdfpack command:
- hdfpack aa.hdf aa.cmp
- Suppose a file named "bb.hdf" contains data elements stored as sequences of linked blocks. The following hdfpack command compresses the file while leaving the linked-block elements intact, and writes the compressed data to a file named "bb.blk".
hdfpack -b bb.hdf bb.blk