Gentoo Archives: gentoo-user

From: Volker Armin Hemmann <volker.armin.hemmann@××××××××××××.de>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] star
Date: Sat, 22 Sep 2007 20:15:44
Message-Id: 200709222200.33355.volker.armin.hemmann@tu-clausthal.de
In Reply to: Re: [gentoo-user] star by Florian Philipp
1 On Samstag, 22. September 2007, Florian Philipp wrote:
2 > Volker Armin Hemmann schrieb:
3 > > On Samstag, 22. September 2007, Florian Philipp wrote:
4 > >> Hi!
5 > >>
6 > >> I'd like to hear some comments on app-arch/star.
7 > >>
8 > >> I've looked at its (IMHO really great) man page and didn't see anything
9 > >> obviously concerning. Most frequently used tar options (-c -x -p -z -j)
10 > >> seem to be in place.
11 > >>
12 > >> What I'd like to know: Is it fully backward compatible to tar? Could I
13 > >> safely unmerge tar and make a symlink from tar to star?
14 > >>
15 > >> Thanks in advance!
16 > >>
17 > >> Florian Philipp
18 > >
19 > > http://bulk.fefe.de/lk2006/bench.html
20 > >
21 > >> Turns out that star can't do "star xzf -", it will say "Can only
22 > >> compress
23 > >
24 > > files." ROTFL! OK, so I used "|gzip -dc|star xf -" instead. What the
25 > > hell.
26 > >
27 > > seems that it is not 100% comaptible.
28 > >
29 > > Since gnu tar, bsd tar and star each are different, I would not unmerge
30 > > the gnu tar. Is there any reason not to use the gnu tar?
31 >
32 > star supports p7zip which can be much better and especially more
33 > flexible than bzip2, gzip and zip. Its other features (better
34 > funcionality for acl, sparse files, recovery and backups among other
35 > things) didn't sound bad, either.
36
37 I don't know - bzip2 is very good at 'recovery' because only the affected
38 block is lost.
39
40 and if p7zip supports pipes, you don't need its support in tar. Just pipe
41 from/to it.
42
43
44 >
45 > If star were a fully qualified replacement for gnu tar, there would not
46 > have been the need to keep it (and to produce possible inconsitency when
47 > using both versions).
48
49 as you can see, you need to play around with pipes anyway when you use star.
50 So switching just because of one compression algo and become incompatible
51 with the way emerge unpacks packages sounds pretty stupid IMHO.
52
53
54
55 --
56 gentoo-user@g.o mailing list

Replies

Subject Author
[gentoo-user] Re: star Alexander Skwar <listen@×××××××××××××××.name>