dbz2

SYNOPSIS

dbz2 [OPTIONS] [-z|-d] FILE

DESCRIPTION

Parallel MPI application to compress or decompress a file.

When compressing, a new file will be created with a .dbz2 extension. When decompressing, the .dbz2 extension will be dropped from the file name.

OPTIONS

-z, --compress

Compress the file

-d, --decompress

Decompress the file

-k, --keep

Keep the input file.

-f, --force

Overwrite the output file, if it exists.

-b, --blocksize SIZE

Set the compression block size, from 1 to 9. Where 1=100kB ... and 9=900kB. Default is 9.

-v, --verbose

Verbose output (optional).

-q, --quiet

Quiet output

-h, --help

Print usage.

EXAMPLES

1. To compress a file:

mpirun -np 128 dbz2 --compress /path/to/file

2. To compress a file and overwrite any existing output file:

mpirun -np 128 dbz2 --force --compress /path/to/file

3. To decompress a file:

mpirun -np 128 dbz2 --decompress /path/to/file.dbz2

SEE ALSO

The mpiFileUtils source code and all documentation may be downloaded from <https://github.com/hpc/mpifileutils>