NAME
unzck – decompress a file in the zchunk format
SYNOPSIS
unzck [-c | --stdout] [--dict] [-v | --verbose] file
unzck -? | --help
unzck --usage
unzck --version
DESCRIPTION
The unzck utility extracts the original file from a zchunk-compressed one.
NOTE: The unzck utility will place the new file without the .zck extension in the current working directory, not in the directory where the original file resides.
The unzck utility accepts the following optional arguments:
- -c, --stdout
-
Extract the data to the standard output stream, do not write it to a file.
- --dict
-
Only extract the zstd compression dictionary.
- -v, --verbose
-
Verbose operation; display some diagnostic output.
- -?, --help
-
Display program usage information and exit.
- --usage
-
Display brief program usage information and exit.
- --version
-
Display program version information and exit.
EXIT STATUS
The unzck utility exits 0 on success, and >0 if an error occurs.
EXAMPLES
Create (in the current directory) an uncompressed words file from a compressed one:
unzck /mnt/xfer/words.zck
Do not create the words file, but send the contents to the standard output stream:
unzck -c /mnt/xfer/words.zck
SEE ALSO
zck(1), zck_delta_size(1), zck_gen_zdict(1), zck_read_header(1), zckdl(1)
AUTHOR
The unzck utility was written by Jonathan Dieter ⟨[email protected]⟩. This manual page stub was written by Peter Pentchev ⟨[email protected]⟩.