comp.lang.ruby

Konrad Meyer

9/13/2007 8:16:00 AM

Quoth Ilmari Heikkinen on Monday 10 September 2007 04:18:25 pm:
> url: http://dark.fhtr.org/repo...
> tarball: http://dark.fhtr.org/repo.../metadata-0.1.tar.gz
>
> Description
> -----------
>
> This package `Metadata' comes with a library called `metadata' and
> a small program called `mdh'.
>
> The library probes files for their metadata (e.g. jpeg dimensions
> and camera make, mp3 artist, pdf word count) and returns the metadata
> as a Hash.
>
> Mdh can print out file metadata as YAML and package the metadata
> with the file.
>
> This package has many dependencies since there is no single universal
> metadata header format that all files use. Blame resource forks, filename
> extensions, bags of bytes and mimetypes.
>
> The metadata hash mostly follows the shared-metadata-spec naming.
> http://wiki.freedesktop.org/wiki/Specifications/shared-filemet...
>
> Usage
> -----
>
> # print out metadata header
> mdh -p myfile.jpg
>
> # create myfile.jpg.mdh, which consists of metadata header + myfile.jpg
> mdh myfile.jpg
>
> # print out metadata header from mdh file
> mdh -e -p myfile.jpg.mdh
>
> # strip out metadata header from mdh file and save it to myfile.jpg
> mdh -e myfile.jpg.mdh
>
> irb> Metadata.extract('myfile.jpg')
> irb> Metadata.extract_text('myfile.pdf')
> irb> Pathname.new("myfile.jpg").metadata
>
>
> Requirements
> ------------
>
> * Ruby 1.8
>
> * Tons of metadata extraction programs,
> list of debian packages follows:
> dcraw
> libimlib2-ruby
> extract
> libimage-exiftool-perl
> poppler-utils
> mplayer
> html2text
> imagemagick
> unhtml
> pstotext
> antiword
> catdoc
> shared-mime-info
>
> * You do want to install the latest versions of dcraw and
> shared-mime-info to be able to handle camera raw images.
> http://cybercom.net/~dcof...
> http://freedesktop.org/wiki/Software/shared...
>
> * Python + chardet library
> http://chardet.feedp...
>
> License
> -------
>
> Ruby's
>
>
> Ilmari Heikkinen <ilmari.heikkinen gmail com>

Any chance this could be expanded to add FLAC and OGG support?

Thanks!
--
Konrad Meyer <konrad@tylerc.org> http://konrad.sobertil...