[arch-general] Script for finding and "moving" older duplicate packages from /var/cache/pacman/pkg

[Patrick Brisbin]

On 08/26/09 at 12:02am, Frédéric Perrin wrote:
> Le mardi 25 à 17:03, Patrick Brisbin a écrit :
> > tar -xf on a 3 GB cache -> 1m 42s
> >
> > bsdtar -qxf on the same cache -> 0m 9s
> 
> If you ran both of them on the same set of files, BSD tar was certainly
> quicker because it took advantage of the files being cached thanks to
> the first run of GNU tar. Now, it may also be that BSD tar /is/ faster
> --we all know that GNU programs are crippled with too much features for
> their own good ;-).
> 
> Do you get the same results if you run the same commands a couple of
> times in succession, discarding the first run ?

FWIW, i ran them again in succession two times each:

  tar -xv 1m 55s
  tar -xv 1m 37s
  bsdtar -qxv 0m 9.5s
  bsdtar -qxv 0m 9.5s

also, --fast-read yielded "invalid option" with tar.

-- 
patrick brisbin