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IGZIP(1) User Commands IGZIP(1)

NAME

igzip - compress or decompress files similar to gzip

SYNOPSIS

igzip [options] [infiles]

DESCRIPTION

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.

OPTIONS

help, print this message
-#
use compression level # with 0 <= # <= 3
<file> output file
write to stdout
decompress file
compress file (default)
overwrite output without prompting
remove source files after successful (de)compression
keep source files (default)
suffix to use while (de)compressing
show version number
verbose mode
save/use file name and timestamp in compress/decompress
do not save/use file name and timestamp in compress/decompress
test compressed file integrity
use n threads to compress if enabled
suppress warnings

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

EXAMPLES

Make compressed file1.gz and file2.gz and keep file1 and file2.

igzip file1 file2

Piped compression and decompression.

igzip -c file.txt | igzip -d -c -

Streaming compression from output of tar, compress level 2.

tar cf - dir1 | igzip -2 > dir1.tar.gz

REPORTING BUGS

Report bugs to https://github.com/intel/isa-l/issues

January 2024 igzip command line interface 2.31.0