mame/3rdparty/zstd/programs/zstdgrep.1.md
Vas Crabb 05e69b43e9
Added Zstandard support for zip archives and CHDs. (#11827)
* 3rdparty/zstd: Added Zstandard compression library version 1.5.5.
* util/unzip.cpp: Added support for Zstandard compression (method 93).
* util/chdcodec.cpp: Added support for Zstandard compression.
* 3rdparty/flac: Always define NDEBUG to avoid log spam.
2023-12-11 10:48:02 +11:00

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zstdgrep(1) -- print lines matching a pattern in zstandard-compressed files
============================================================================
SYNOPSIS
--------
`zstdgrep` [<grep-flags>] [--] <pattern> [<files> ...]
DESCRIPTION
-----------
`zstdgrep` runs `grep`(1) on files, or `stdin` if no files argument is given, after decompressing them with `zstdcat`(1).
The <grep-flags> and <pattern> arguments are passed on to `grep`(1). If an `-e` flag is found in the <grep-flags>, `zstdgrep` will not look for a <pattern> argument.
Note that modern `grep` alternatives such as `ripgrep` (`rg`(1)) support `zstd`-compressed files out of the box,
and can prove better alternatives than `zstdgrep` notably for unsupported complex pattern searches.
Note though that such alternatives may also feature some minor command line differences.
EXIT STATUS
-----------
In case of missing arguments or missing pattern, 1 will be returned, otherwise 0.
SEE ALSO
--------
`zstd`(1)
AUTHORS
-------
Thomas Klausner <wiz@NetBSD.org>