Info about libextractor and extract on Fedora core

[Ambrogio]

Hi,
I'm trying to use the extract command to obtain metadata about files.
I'm working on a Linux User Group in Italy to obtain a little archiver
of metadata.

The problem is that I'm unable to use extract on my fedora core 6, using
the package from my distro.

The rpm installed on my PC are:
libextractor-0.5.17a-1.fc6.x86_64.rpm
libextractor-devel-0.5.17a-1.fc6.x86_64.rpm
libextractor-plugins-0.5.17a-1.fc6.x86_64.rpm
libextractor-plugins-base-0.5.17a-1.fc6.x86_64.rpm
libextractor-plugins-exiv2-0.5.17a-1.fc6.x86_64.rpm
libextractor-plugins-ogg-0.5.17a-1.fc6.x86_64.rpm
libextractor-plugins-ole2-0.5.17a-1.fc6.x86_64.rpm
libextractor-plugins-pdf-0.5.17a-1.fc6.x86_64.rpm
libextractor-plugins-thumbnailgtk-0.5.17a-1.fc6.x86_64.rpm
libextractor-plugins-thumbnailqt-0.5.17a-1.fc6.x86_64.rpm

and the extract version is extract v0.5.17a

When I try to execute the sample about the index page on Linux Journal I
obtain nothing.
extract index.html (no response)
exiftool index.html

        ExifTool Version Number         : 6.77
        File Name                       : index.html
        Directory                       : .
        File Size                       : 32 kB
        File Modification Date/Time     : 2007:06:16 19:36:21
        File Type                       : HTML
        MIME Type                       : text/html
        Title                           : Linux Journal |
        Content Type                    : text/html; charset=utf-8

I searched something by google, but it's very hard to find something
about a so common word like extract.

Do you know about problems (or required packages) on Fedora Core 6?

Tnx in advance for your attention, and tnx above all for your job.

Ambrogio


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[Christian Grothoff]

On Monday 18 June 2007 03:20, Ambrogio wrote:

> Hi,
> I'm trying to use the extract command to obtain metadata about files.
> I'm working on a Linux User Group in Italy to obtain a little archiver
> of metadata.
>
> The problem is that I'm unable to use extract on my fedora core 6, using
> the package from my distro.
>
> The rpm installed on my PC are:
> libextractor-0.5.17a-1.fc6.x86_64.rpm
> libextractor-devel-0.5.17a-1.fc6.x86_64.rpm
> libextractor-plugins-0.5.17a-1.fc6.x86_64.rpm
> libextractor-plugins-base-0.5.17a-1.fc6.x86_64.rpm
> libextractor-plugins-exiv2-0.5.17a-1.fc6.x86_64.rpm
> libextractor-plugins-ogg-0.5.17a-1.fc6.x86_64.rpm
> libextractor-plugins-ole2-0.5.17a-1.fc6.x86_64.rpm
> libextractor-plugins-pdf-0.5.17a-1.fc6.x86_64.rpm
> libextractor-plugins-thumbnailgtk-0.5.17a-1.fc6.x86_64.rpm
> libextractor-plugins-thumbnailqt-0.5.17a-1.fc6.x86_64.rpm
>
> and the extract version is extract v0.5.17a
>
> When I try to execute the sample about the index page on Linux Journal I
> obtain nothing.
> extract index.html (no response)
> exiftool index.html
>
>         ExifTool Version Number         : 6.77
>         File Name                       : index.html
>         Directory                       : .
>         File Size                       : 32 kB
>         File Modification Date/Time     : 2007:06:16 19:36:21
>         File Type                       : HTML
>         MIME Type                       : text/html
>         Title                           : Linux Journal |
>         Content Type                    : text/html; charset=utf-8
>
> I searched something by google, but it's very hard to find something
> about a so common word like extract.
>
> Do you know about problems (or required packages) on Fedora Core 6?

I don't have any direct experiences with FC6 packages.  This feels like it
maybe a problem with how the RPMs were built.

Try locating where the plugins were installed and set the environment variable
LIBEXTRACTOR_PREFIX to the directory above (so that the plugins are in
lib/libextractor/*.so).  That *may* help.  Alternatively, you might just want
to compile LE by hand -- should not be hard.

> Tnx in advance for your attention, and tnx above all for your job.

You're welcome.

Christian


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