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igzip - compress or decompress files similar to gzip igzip [\,options\/] [\,infiles\/] Compress or decompress files similar to gzip using the ISA-L fast deflate library. Output .gz files are compatible with gzip and [RFC-1952]. Options are similar to gzip except --keep is default.

-h, --help help, print this message

-# use compression level # with 0 <= # <= 3

-o <file> output file

-c, --stdout write to stdout

-d, --decompress decompress file

-z, --compress compress file (default)

-f, --force overwrite output without prompting

--rm remove source files after successful (de)compression

-k, --keep keep source files (default)

-S, --suffix <.suf> suffix to use while (de)compressing

-V, --version show version number

-v, --verbose verbose mode

-N, --name save/use file name and timestamp in compress/decompress

-n, --no-name do not save/use file name and timestamp in compress/decompress

-t, --test test compressed file integrity

-T, --threads <n> use n threads to compress if enabled

-q, --quiet suppress warnings

with no infile, or when infile is - , read standard input

Make compressed file1.gz and file2.gz and keep file1 and file2. Piped compression and decompression. Streaming compression from output of tar, compress level 2. Report bugs to https://github.com/intel/isa-l/issues