Re: What is xz ?

2011-07-18 Thread Peter Vereshagin
Hey Mr(s) freebsd-questions show some good to me!
2011/07/17 23:08:16 -0400 ill...@gmail.com ill...@gmail.com = To 
freebsd-questions@freebsd.org :

igc (Should be under contrib/xz )

archivers/xz

73! Peter pgp: A0E26627 (4A42 6841 2871 5EA7 52AB  12F8 0CE1 4AAC A0E2 6627)
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Re: What is xz ?

2011-07-18 Thread Polytropon
On Mon, 18 Jul 2011 13:36:07 +0400, Peter Vereshagin wrote:
 Hey Mr(s) freebsd-questions show some good to me!
 2011/07/17 23:08:16 -0400 ill...@gmail.com ill...@gmail.com = To 
 freebsd-questions@freebsd.org :
 
 igc (Should be under contrib/xz )
 
 archivers/xz

/usr/ports/archivers/xz on my (quite old) 7-STABLE installation.

/usr/src/contrib/xz on my (new) 8.2-STABLE installation.

So obviously it's a port that got incorporated into the
base system which must have happened somewhere between
7 and 8.


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Re: What is xz ?

2011-07-17 Thread ill...@gmail.com
On 12 July 2011 10:02, Christian Weisgerber na...@mips.inka.de wrote:
 Robert Bonomi bon...@mail.r-bonomi.com wrote:

  Correct. I'm currently on 7-STABLE where it's not yet part of
  the base system, but my new 8.2-STABLE also has it in /usr/bin.
  I believe it has been introduced with version 8...

 It is part of  '7.2-RELEASE',

 It is not.


Confirmed, in that I can't find it in the svn tree until
around 8.1.  Can't find it in 7.x anywhere.

(Should be under contrib/xz )

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Re: What is xz ?

2011-07-12 Thread Christian Weisgerber
Robert Bonomi bon...@mail.r-bonomi.com wrote:

  Correct. I'm currently on 7-STABLE where it's not yet part of
  the base system, but my new 8.2-STABLE also has it in /usr/bin.
  I believe it has been introduced with version 8...
 
 It is part of  '7.2-RELEASE',

It is not.

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What is xz ?

2011-07-02 Thread Manish Jain

   Hi all,
   I just downloaded FreeBSD-8.2-RELEASE-i386-dvd1.iso.xz and the md5
   checksum is correct. Can someone please tell me what does that xz at
   the end stand for ? It looks like it stands for some kind of
   compression (gzip/bzip2/some new format), but I can't figure out
   exactly which one.
   Thank you 
   Regards
   Manish Jain
   [1]invalid.poin...@gmail.com

References

   1. mailto:invalid.poin...@gmail.com
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Re: What is xz ?

2011-07-02 Thread Polytropon
On Sat, 02 Jul 2011 11:53:17 +0530, Manish Jain wrote:
 
Hi all,
I just downloaded FreeBSD-8.2-RELEASE-i386-dvd1.iso.xz and the md5
checksum is correct. Can someone please tell me what does that xz at
the end stand for ? It looks like it stands for some kind of
compression (gzip/bzip2/some new format), but I can't figure out
exactly which one.

It's xz compression, archivers/xz from ports, which is
a LZMA compression and decompression tool (next to com-
pression and uncompression, there are tools comparable
to zcat, zgrep, zless and so on).

Some details from the package description:

XZ Utils is free general-purpose data compression software with a
high compression ratio.  XZ Utils is the successor to LZMA Utils.

The core of the XZ Utils compression code is based on the LZMA SDK.
The primary compression algorithm is currently LZMA2, which is used
inside the .xz container format.  With typical files, XZ Utils
creates output 30% smaller than gzip and 15% smaller than bzip2.

The XZ Utils package consists of several components:

* liblzma is a compression library with an API similar to that of zlib.
* xz is a command line tool with syntax similar to that of gzip.
* xzdec is a decompression-only tool smaller than the full-featured xz tool.
* A set of shell scripts (xzgrep, xzdiff, etc.) have been adapted
  from gzip to ease viewing, grepping, and comparing compressed files.
* Emulation of the command line tools of LZMA Utils eases transition
  from LZMA Utils to XZ Utils.

WWW: http://tukaani.org/xz/


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Re: What is xz ?

2011-07-02 Thread Gour-Gadadhara Dasa
On Sat, 02 Jul 2011 11:53:17 +0530
Manish Jain invalid.poin...@gmail.com wrote:

 
Hi all, I just downloaded FreeBSD-8.2-RELEASE-i386-dvd1.iso.xz and the md5
checksum is correct. Can someone please tell me what does that xz at the
end stand for ? It looks like it stands for some kind of compression
(gzip/bzip2/some new format), but I can't figure out exactly which one.

http://tukaani.org/xz/


Sincerely,
Gour

-- 
“In the material world, conceptions of good and bad are
all mental speculations…” (Sri Caitanya Mahaprabhu)

http://atmarama.net | Hlapicina (Croatia) | GPG: 52B5C810




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Re: What is xz ?

2011-07-02 Thread Mehmet Erol Sanliturk
On Sat, Jul 2, 2011 at 2:23 AM, Manish Jain invalid.poin...@gmail.comwrote:


   Hi all,
   I just downloaded FreeBSD-8.2-RELEASE-i386-dvd1.iso.xz and the md5
   checksum is correct. Can someone please tell me what does that xz at
   the end stand for ? It looks like it stands for some kind of
   compression (gzip/bzip2/some new format), but I can't figure out
   exactly which one.
   Thank you 
   Regards
   Manish Jain
   [1]invalid.poin...@gmail.com

 References

   1. mailto:invalid.poin...@gmail.com



http://en.wikipedia.org/wiki/Category:Archive_formats
http://en.wikipedia.org/wiki/Tar_(file_format)
http://en.wikipedia.org/wiki/Xz
http://en.wikipedia.org/wiki/XZ_Utils


Thank you very much .

Mehmet Erol Sanliturk
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Re: What is xz ?

2011-07-02 Thread Chris Whitehouse

On 02/07/2011 07:38, Polytropon wrote:

On Sat, 02 Jul 2011 11:53:17 +0530, Manish Jain wrote:


Hi all,
I just downloaded FreeBSD-8.2-RELEASE-i386-dvd1.iso.xz and the md5
checksum is correct. Can someone please tell me what does that xz at
the end stand for ? It looks like it stands for some kind of
compression (gzip/bzip2/some new format), but I can't figure out
exactly which one.


It's xz compression, archivers/xz from ports, which is


...but before you install it you may find it is part of the base system.

%pkg_info -Ix xz
pkg_info: no packages match pattern(s)
%which xz
/usr/bin/xz

I'm on 8.1-R

Chris
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Re: What is xz ?

2011-07-02 Thread Polytropon
On Sat, 02 Jul 2011 12:26:14 +0100, Chris Whitehouse wrote:
 On 02/07/2011 07:38, Polytropon wrote:
  It's xz compression, archivers/xz from ports, which is
 
 ...but before you install it you may find it is part of the base system.
 
 %pkg_info -Ix xz
 pkg_info: no packages match pattern(s)
 %which xz
 /usr/bin/xz
 
 I'm on 8.1-R

Correct. I'm currently on 7-STABLE where it's not yet part of
the base system, but my new 8.2-STABLE also has it in /usr/bin.
I believe it has been introduced with version 8...



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Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...
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Re: What is xz ?

2011-07-02 Thread Jerry
On Sat, 02 Jul 2011 12:26:14 +0100
Chris Whitehouse articulated:

 On 02/07/2011 07:38, Polytropon wrote:
  On Sat, 02 Jul 2011 11:53:17 +0530, Manish Jain wrote:
 
  Hi all,
  I just downloaded FreeBSD-8.2-RELEASE-i386-dvd1.iso.xz and the
  md5 checksum is correct. Can someone please tell me what does that
  xz at the end stand for ? It looks like it stands for some kind of
  compression (gzip/bzip2/some new format), but I can't figure
  out exactly which one.
 
  It's xz compression, archivers/xz from ports, which is
 
 ...but before you install it you may find it is part of the base
 system.
 
 %pkg_info -Ix xz
 pkg_info: no packages match pattern(s)
 %which xz
 /usr/bin/xz
 
 I'm on 8.1-R

From: http://www.freebsd.org/releases/8.1R/relnotes-detailed.html

quote
The liblzma library for LZMA2 lossless data compression algorithm and
the userland utilities xz(1), xzdec(1), lzma(1), and lzmainfo(1). has
been imported. When the old system is upgraded to 8.1-RELEASE,
deinstalling a version found in the Ports Collection (archivers/xz) and
recompilation of the packages which depend on it may be required.
/quote

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Re: What is xz ?

2011-07-02 Thread Robert Bonomi
 From owner-freebsd-questi...@freebsd.org  Sat Jul  2 06:45:00 2011
 Date: Sat, 2 Jul 2011 13:43:55 +0200
 From: Polytropon free...@edvax.de
 To: Chris Whitehouse cwhi...@onetel.com
 Cc: freebsd-questions@freebsd.org
 Subject: Re: What is xz ?

 On Sat, 02 Jul 2011 12:26:14 +0100, Chris Whitehouse wrote:
  On 02/07/2011 07:38, Polytropon wrote:
   It's xz compression, archivers/xz from ports, which is
  
  ...but before you install it you may find it is part of the base system.
  
  %pkg_info -Ix xz
  pkg_info: no packages match pattern(s)
  %which xz
  /usr/bin/xz
  
  I'm on 8.1-R

 Correct. I'm currently on 7-STABLE where it's not yet part of
 the base system, but my new 8.2-STABLE also has it in /usr/bin.
 I believe it has been introduced with version 8...

It is part of  '7.2-RELEASE',   Dunno about 7.1

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Re: What is xz ?

2011-07-02 Thread b. f.
  From owner-freebsd-questions at freebsd.org  Sat Jul  2 06:45:00 2011
  Date: Sat, 2 Jul 2011 13:43:55 +0200
  From: Polytropon freebsd at edvax.de
  To: Chris Whitehouse cwhiteh at onetel.com
  Cc: freebsd-questions at freebsd.org
  Subject: Re: What is xz ?
 
  On Sat, 02 Jul 2011 12:26:14 +0100, Chris Whitehouse wrote:
   On 02/07/2011 07:38, Polytropon wrote:

 
  Correct. I'm currently on 7-STABLE where it's not yet part of
  the base system, but my new 8.2-STABLE also has it in /usr/bin.
  I believe it has been introduced with version 8...

 It is part of  '7.2-RELEASE',   Dunno about 7.1

Hmm.  Are you sure?  If this is true, the archivers/xz port needs to
be patched to IGNORE those branches of 7 that have xz.  But I don't
see any mention of it at:

http://www.freebsd.org/cgi/cvsweb.cgi/src/contrib/xz/ChangeLog

or

http://svnweb.FreeBSD.org/base/stable/7/contrib/

b.
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Re: What is xz ?

2011-07-02 Thread Robert Bonomi

 Date: Sat, 2 Jul 2011 21:25:11 +
 From: b. f. bf1...@googlemail.com
 To: Robert Bonomi bon...@mail.r-bonomi.com, freebsd-questions@freebsd.org
 Cc: 
 Subject: Re: What is xz ?

   From owner-freebsd-questions at freebsd.org  Sat Jul  2 06:45:00 2011
   Date: Sat, 2 Jul 2011 13:43:55 +0200
   From: Polytropon freebsd at edvax.de
   To: Chris Whitehouse cwhiteh at onetel.com
   Cc: freebsd-questions at freebsd.org
   Subject: Re: What is xz ?
  
   On Sat, 02 Jul 2011 12:26:14 +0100, Chris Whitehouse wrote:
On 02/07/2011 07:38, Polytropon wrote:
 
  
   Correct. I'm currently on 7-STABLE where it's not yet part of
   the base system, but my new 8.2-STABLE also has it in /usr/bin.
   I believe it has been introduced with version 8...
 
  It is part of  '7.2-RELEASE',   Dunno about 7.1

 Hmm.  Are you sure?

What I know is that I have a '7.2-RELEASE' i386 box, that's had nothing 
done to it after the original 'sysinstall' (from CDs, no net connectivity),
as far as _adding_ anything. it does run a highly customized kernel, but 
that is the only 'post-install' change made.  It is on that box.  This was
a near full install from the CDs, not a minimal one.

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Re: What is xz ?

2011-07-02 Thread Robert Huff

b. f. writes:

   It is part of  '7.2-RELEASE',   Dunno about 7.1
  
  Hmm.  Are you sure?  If this is true, the archivers/xz port needs
  to be patched to IGNORE those branches of 7 that have xz.

Is that necessarily true?
For comparison: the default system compiler is gcc-4.2.1 (I
believe).  There are several higher numbered versions in ports. 



Robert Huff

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Re: What is xz ?

2011-07-02 Thread Jerry
On Sat, 2 Jul 2011 17:51:38 -0500 (CDT)
Robert Bonomi articulated:

 What I know is that I have a '7.2-RELEASE' i386 box, that's had
 nothing done to it after the original 'sysinstall' (from CDs, no net
 connectivity), as far as _adding_ anything. it does run a highly
 customized kernel, but that is the only 'post-install' change made.
 It is on that box.  This was a near full install from the CDs, not
 a minimal one.

What is the output of: which xz

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Re: What is xz ?

2011-07-02 Thread b. f.
On 7/2/11, Robert Huff roberth...@rcn.com wrote:

 b. f. writes:

   It is part of  '7.2-RELEASE',   Dunno about 7.1

  Hmm.  Are you sure?  If this is true, the archivers/xz port needs
  to be patched to IGNORE those branches of 7 that have xz.

   Is that necessarily true?
   For comparison: the default system compiler is gcc-4.2.1 (I
 believe).  There are several higher numbered versions in ports.


You mean, if xz is actually in FreeBSD 7, which doesn't seem to be the
case, is it absolutely necessary to disable builds of archivers/xz on
7?  Or, for that matter, on 8 and 9? -- well, no, it isn't strictly
necessary, but what's the point of not disabling the port when the
same version of xz is in both the base system and the port, and rtld's
default search pattern will favor the former over the latter?  With
the different versions of gcc, you are at least getting some
functional differences.  If naddy updates the port to 5.1.1 or 5.0.3,
the case might be different.

b.
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