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Extracting *.tar.gz file in Pharo 5

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Juraj Kubelka-5

Extracting *.tar.gz file in Pharo 5

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Tudor Girba-2

Re: Extracting *.tar.gz file in Pharo 5

Why not use Zip files? There already exists direct support for that (hopefully it still works).

Doru

> On Nov 20, 2015, at 4:16 PM, Juraj Kubelka <[hidden email]> wrote:
>
> Hi,
>
> is there a way to extract *.tar.gz files using plain Pharo 5 image? Without loading extra packages? It could be OS dependent. Maybe calling external linux tar application. I have done it with ExternalUnixOSProcess object, but it is not standard part of Pharo 5.
>
> Thanks for any comment.
> Juraj

--
www.tudorgirba.com

"Innovation comes in the least expected form.
That is, if it is expected, it already happened."

Juraj Kubelka-5

Re: Extracting *.tar.gz file in Pharo 5

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Mariano Martinez Peck

Re: Extracting *.tar.gz file in Pharo 5

Well, you could use OSProcess right?

On Fri, Nov 20, 2015 at 5:16 PM, Juraj Kubelka <[hidden email]> wrote:

If I remember well, ZIP in Pharo supports only one file (one stream of data). There is no support for directories. At least, when I have intended it some time ago, I failed.

I do not stand on using *.tar.gz, but I have not found better solution for my setup: Directory is compressed on Linux machine and should be extracted on any machine by using local tools.

Do I miss some feature in Pharo?

Cheers,
Juraj

> On Nov 20, 2015, at 12:35, Tudor Girba <[hidden email]> wrote:
>
> Why not use Zip files? There already exists direct support for that (hopefully it still works).
>
> Doru
>
>
>
>
>> On Nov 20, 2015, at 4:16 PM, Juraj Kubelka <[hidden email]> wrote:
>>
>> Hi,
>>
>> is there a way to extract *.tar.gz files using plain Pharo 5 image? Without loading extra packages? It could be OS dependent. Maybe calling external linux tar application. I have done it with ExternalUnixOSProcess object, but it is not standard part of Pharo 5.
>>
>> Thanks for any comment.
>> Juraj
>
> --
> www.tudorgirba.com
>
> "Innovation comes in the least expected form.
> That is, if it is expected, it already happened."
>
>

Mariano
http://marianopeck.wordpress.com

Juraj Kubelka-5

Re: Extracting *.tar.gz file in Pharo 5

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Thierry Goubier

Re: Extracting *.tar.gz file in Pharo 5

In reply to this post by Juraj Kubelka-5

Le 20/11/2015 21:16, Juraj Kubelka a écrit :
> If I remember well, ZIP in Pharo supports only one file (one stream
> of data). There is no support for directories. At least, when I have
> intended it some time ago, I failed.

No, zip in Pharo works with directories. However I think the zip
Filesystem doesn't work which means you have to manipulate the zip
members with the zip API, not as a filesystem.

> I do not stand on using *.tar.gz, but I have not found better
> solution for my setup: Directory is compressed on Linux machine and
> should be extracted on any machine by using local tools.
>
> Do I miss some feature in Pharo?

I think you do ;)

Thierry

> Cheers, Juraj
>
>
>> On Nov 20, 2015, at 12:35, Tudor Girba <[hidden email]>
>> wrote:
>>
>> Why not use Zip files? There already exists direct support for that
>> (hopefully it still works).
>>
>> Doru
>>
>>
>>
>>
>>> On Nov 20, 2015, at 4:16 PM, Juraj Kubelka
>>> <[hidden email]> wrote:
>>>
>>> Hi,
>>>
>>> is there a way to extract *.tar.gz files using plain Pharo 5
>>> image? Without loading extra packages? It could be OS dependent.
>>> Maybe calling external linux tar application. I have done it with
>>> ExternalUnixOSProcess object, but it is not standard part of
>>> Pharo 5.
>>>
>>> Thanks for any comment. Juraj
>>
>> -- www.tudorgirba.com
>>
>> "Innovation comes in the least expected form. That is, if it is
>> expected, it already happened."
>>
>>
>
>
>

Juraj Kubelka-5

Re: Extracting *.tar.gz file in Pharo 5

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Thierry Goubier

Re: Extracting *.tar.gz file in Pharo 5

Le 20/11/2015 21:44, Juraj Kubelka a écrit :

>
>> On Nov 20, 2015, at 17:36, Thierry Goubier
>> <[hidden email]> wrote:
>>
>> Le 20/11/2015 21:16, Juraj Kubelka a écrit :
>>> If I remember well, ZIP in Pharo supports only one file (one
>>> stream of data). There is no support for directories. At least,
>>> when I have intended it some time ago, I failed.
>>
>> No, zip in Pharo works with directories. However I think the zip
>> Filesystem doesn't work which means you have to manipulate the zip
>> members with the zip API, not as a filesystem.
>
> Can you give me an example? The file has about 30.000 files
> (compressed less then 50 MB). I am not sure if it is good idea to
> manage this inside of Pharo image.

The code you'll be using is the one Metacello uses for its github and
bitbucket urls, so I think it should handle it.

The Metacello example is just:

extractRepositoryFrom: zipFile to: directory
"unzip <zipFile> into <directory>"
ZipArchive new
readFrom: zipFile;
extractAllTo: directory asFileReference.

As simple as that.

So testing will be easy.

Note that MetacelloPlatform also has the OSProcess-based unzip as well ;)

>>
>>> I do not stand on using *.tar.gz, but I have not found better
>>> solution for my setup: Directory is compressed on Linux machine
>>> and should be extracted on any machine by using local tools.
>>>
>>> Do I miss some feature in Pharo?
>>
>> I think you do ;)
>
> Better :-)

Tell us how it goes anyway ;)

Thierry

> Cheers, Juraj
>

Stephan Eggermont-3

Re: Extracting *.tar.gz file in Pharo 5

In reply to this post by Juraj Kubelka-5

On 20-11-15 21:44, Juraj Kubelka wrote:
> Can you give me an example?
> The file has about 30.000 files (compressed less then 50 MB). I am not sure if it is good idea to manage this inside of Pharo image.

AFAIK file systems are much worse with very many small files.
Minimum block size.

Stephan

stepharo

Re: Extracting *.tar.gz file in Pharo 5

In reply to this post by Juraj Kubelka-5

Le 20/11/15 21:16, Juraj Kubelka a écrit :
> If I remember well, ZIP in Pharo supports only one file (one stream of data). There is no support for directories. At least, when I have intended it some time ago, I failed.

mcz is a zip and it contain multifiles.

>
> I do not stand on using *.tar.gz, but I have not found better solution for my setup: Directory is compressed on Linux machine and should be extracted on any machine by using local tools.
>
> Do I miss some feature in Pharo?
>
> Cheers,
> Juraj
>
>
>> On Nov 20, 2015, at 12:35, Tudor Girba <[hidden email]> wrote:
>>
>> Why not use Zip files? There already exists direct support for that (hopefully it still works).
>>
>> Doru
>>
>>
>>
>>
>>> On Nov 20, 2015, at 4:16 PM, Juraj Kubelka <[hidden email]> wrote:
>>>
>>> Hi,
>>>
>>> is there a way to extract *.tar.gz files using plain Pharo 5 image? Without loading extra packages? It could be OS dependent. Maybe calling external linux tar application. I have done it with ExternalUnixOSProcess object, but it is not standard part of Pharo 5.
>>>
>>> Thanks for any comment.
>>> Juraj
>> --
>> www.tudorgirba.com
>>
>> "Innovation comes in the least expected form.
>> That is, if it is expected, it already happened."
>>
>>
>
>

Ben Coman

Re: Extracting *.tar.gz file in Pharo 5

In reply to this post by Juraj Kubelka-5

Monticello MCZ files are zip files. Just rename the extension to ZIP
and unzip it and you'll see multiple files and a directory containing
a file. So intuitively I'd say ZIP in Pharo must support directories
- not that I know how :)
cheers -ben

On Sat, Nov 21, 2015 at 4:16 AM, Juraj Kubelka <[hidden email]> wrote:

> If I remember well, ZIP in Pharo supports only one file (one stream of data). There is no support for directories. At least, when I have intended it some time ago, I failed.
>
> I do not stand on using *.tar.gz, but I have not found better solution for my setup: Directory is compressed on Linux machine and should be extracted on any machine by using local tools.
>
> Do I miss some feature in Pharo?
>
> Cheers,
> Juraj
>
>
>> On Nov 20, 2015, at 12:35, Tudor Girba <[hidden email]> wrote:
>>
>> Why not use Zip files? There already exists direct support for that (hopefully it still works).
>>
>> Doru
>>
>>
>>
>>
>>> On Nov 20, 2015, at 4:16 PM, Juraj Kubelka <[hidden email]> wrote:
>>>
>>> Hi,
>>>
>>> is there a way to extract *.tar.gz files using plain Pharo 5 image? Without loading extra packages? It could be OS dependent. Maybe calling external linux tar application. I have done it with ExternalUnixOSProcess object, but it is not standard part of Pharo 5.
>>>
>>> Thanks for any comment.
>>> Juraj
>>
>> --
>> www.tudorgirba.com
>>
>> "Innovation comes in the least expected form.
>> That is, if it is expected, it already happened."
>>
>>
>
>

Tudor Girba-2

Re: Extracting *.tar.gz file in Pharo 5

In reply to this post by stepharo

Indeed. The GTInspector and Spotter shows you how to navigate inside such zip files, too :).

Doru

> On Nov 21, 2015, at 12:17 PM, stepharo <[hidden email]> wrote:
>
>
>
> Le 20/11/15 21:16, Juraj Kubelka a écrit :
>> If I remember well, ZIP in Pharo supports only one file (one stream of data). There is no support for directories. At least, when I have intended it some time ago, I failed.
>
> mcz is a zip and it contain multifiles.
>
>>
>> I do not stand on using *.tar.gz, but I have not found better solution for my setup: Directory is compressed on Linux machine and should be extracted on any machine by using local tools.
>>
>> Do I miss some feature in Pharo?
>>
>> Cheers,
>> Juraj
>>
>>
>>> On Nov 20, 2015, at 12:35, Tudor Girba <[hidden email]> wrote:
>>>
>>> Why not use Zip files? There already exists direct support for that (hopefully it still works).
>>>
>>> Doru
>>>
>>>
>>>
>>>
>>>> On Nov 20, 2015, at 4:16 PM, Juraj Kubelka <[hidden email]> wrote:
>>>>
>>>> Hi,
>>>>
>>>> is there a way to extract *.tar.gz files using plain Pharo 5 image? Without loading extra packages? It could be OS dependent. Maybe calling external linux tar application. I have done it with ExternalUnixOSProcess object, but it is not standard part of Pharo 5.
>>>>
>>>> Thanks for any comment.
>>>> Juraj
>>> --
>>> www.tudorgirba.com
>>>
>>> "Innovation comes in the least expected form.
>>> That is, if it is expected, it already happened."
>>>
>>>
>>
>>
>
>

--
www.tudorgirba.com

"If you can't say why something is relevant,
it probably isn't."