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  2. ExifTool - Wikipedia

    en.wikipedia.org/wiki/ExifTool

    ExifTool is a free and open-source software program for reading, writing, and manipulating image, audio, video, and PDF metadata.As such, ExifTool classes as a tag editor.It is platform independent, available as both a Perl library (Image::ExifTool) and a command-line application.

  3. Exif - Wikipedia

    en.wikipedia.org/wiki/Exif

    The Exif format has a number of drawbacks, mostly relating to its use of legacy file structures. The derivation of Exif from the TIFF file structure using offset pointers in the files means that data can be spread anywhere within a file, which means that software is likely to corrupt any pointers or corresponding data that it does not decode ...

  4. Metadata standard - Wikipedia

    en.wikipedia.org/wiki/Metadata_standard

    Metadata elements grouped into sets designed for a specific purpose, e.g., for a specific domain or a particular type of information resource, are called metadata schemas. For every element the name and the semantics (the meaning of the element) are specified.

  5. Metadata Encoding and Transmission Standard - Wikipedia

    en.wikipedia.org/wiki/Metadata_Encoding_and...

    As with descriptive metadata, administrative metadata may be internally encoded or external to the METS document. File Section fileSec: Lists all files containing content which comprise the electronic versions of the digital object. file elements may be grouped within fileGrp elements to subdivide files by object version. Although this section ...

  6. File format - Wikipedia

    en.wikipedia.org/wiki/File_format

    It is, however, the best way for a program to check if the file it has been told to process is of the correct format: while the file's name or metadata may be altered independently of its content, failing a well-designed magic number test is a pretty sure sign that the file is either corrupt or of the wrong type.

  7. Metadata - Wikipedia

    en.wikipedia.org/wiki/Metadata

    Most common types of computer files can embed metadata, including documents, (e.g. Microsoft Office files, OpenDocument files, PDF) images, (e.g. JPEG, PNG) Video files, (e.g. AVI, MP4) and audio files. (e.g. WAV, MP3) Metadata may be added to files by users, but some metadata is often automatically added to files by authoring applications or ...

  8. Extended file attributes - Wikipedia

    en.wikipedia.org/wiki/Extended_file_attributes

    The uses of extended attributes in Be-like systems are varied: For example, Tracker and OpenTracker, the file-managers of BeOS and Haiku respectively, both store the locations of file icons in attributes, [8] Haiku's "Mail" service stores all message content and metadata in extended file attributes, [9] and the MIME types of files are stored in ...

  9. Help:Viewing media - Wikipedia

    en.wikipedia.org/wiki/Help:Viewing_media

    Description of the file "File history" – when a new version of a file is uploaded with the same name, the existing file is replaced and becomes available via file history. "File links" – a list of pages that embed the file. "Metadata" (images only) – technical information about the file and the equipment used to create it (camera model etc.)