[illumos-Developer] grep -Z etc? (decompress! was: webrev: 650 grep support for -q ...)

[Joerg Schilling]

Kurt Lidl <kurt.lidl at cello.com> wrote:

> This was back in the day of much slower machines (think pentiums @ 100Mhz),
> and stretching your available CPU mattered a lot.
>
> In a much more recent area, the libarchive stuff that FreeBSD has 
> produced can
> do all this uncompression directly in the library, without having to fork a
> child process.  Their "tar" program is just calls into the libarchive 
> library,
> and it runs very fast.

GNU tar is slow for other reasons. Star is faster than GNU tar and still uses 
pipes to the compress programs.


Jörg

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