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Posted to user@ant.apache.org by Lin Sun <li...@gmail.com> on 2011/01/07 21:32:01 UTC
Untar task in Ant
Hi
I 'd like to use untar task in ant, looks very cool and mature! :)
In reading through the user doc, I don't see much restrictions
limited. I'd like to know if it supports any of the following -
1) unlimited tar size and tar entry size
2) support the full POSIX tar standard or more modern GNU extension of
said standard
3) able to preserve file permissions after untar (I tried this and
this doesn't seem to work... always uses the default values for files
and directories)
Thanks so much!
Lin
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RE: Untar task in Ant
Posted by Shawn Castrianni <Sh...@halliburton.com>.
I was not able to get anything built into ANT to work either in terms of preserving file permissions. I had to resort to using exec task and running a real tar command. I chose bsdtar as I could get a version compiled for all of my supported platforms. I then choose the appropriate bsdtar exe to run based on my platform.
---
Shawn Castrianni
-----Original Message-----
From: Lin Sun [mailto:linsun.unc@gmail.com]
Sent: Friday, January 07, 2011 2:32 PM
To: user@ant.apache.org
Subject: Untar task in Ant
Hi
I 'd like to use untar task in ant, looks very cool and mature! :)
In reading through the user doc, I don't see much restrictions
limited. I'd like to know if it supports any of the following -
1) unlimited tar size and tar entry size
2) support the full POSIX tar standard or more modern GNU extension of
said standard
3) able to preserve file permissions after untar (I tried this and
this doesn't seem to work... always uses the default values for files
and directories)
Thanks so much!
Lin
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Re: Untar task in Ant
Posted by Lin Sun <li...@gmail.com>.
Hi Stefan
Thanks for your kind reply on both list. I have been testing the Ant
Untar task and it works reasonably well. In my test I used a tgz that
is 13 GB and 2 entries are around 6 GB.
Thanks again
Lin
On Sat, Jan 8, 2011 at 2:50 PM, Stefan Bodewig <bo...@apache.org> wrote:
> On 2011-01-07, Lin Sun wrote:
>
>> I 'd like to use untar task in ant, looks very cool and mature! :)
>> In reading through the user doc, I don't see much restrictions
>> limited. I'd like to know if it supports any of the following -
>
>> 1) unlimited tar size and tar entry size
>> 2) support the full POSIX tar standard or more modern GNU extension of
>> said standard
>
> No on both counts. Ant's tar code has been the base for Commons
> Compress and has the same limitations.
>
>> 3) able to preserve file permissions after untar
>
> No. Part of the reason is Java's limited support for permissions. This
> may change once Ant can use NIO2.
>
> Stefan
>
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> To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
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Re: Untar task in Ant
Posted by Stefan Bodewig <bo...@apache.org>.
On 2011-01-07, Lin Sun wrote:
> I 'd like to use untar task in ant, looks very cool and mature! :)
> In reading through the user doc, I don't see much restrictions
> limited. I'd like to know if it supports any of the following -
> 1) unlimited tar size and tar entry size
> 2) support the full POSIX tar standard or more modern GNU extension of
> said standard
No on both counts. Ant's tar code has been the base for Commons
Compress and has the same limitations.
> 3) able to preserve file permissions after untar
No. Part of the reason is Java's limited support for permissions. This
may change once Ant can use NIO2.
Stefan
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