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All the Perl that's Practical to Extract and Report

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  • Please note that the MARC format is just a format, specifically aimed at data interchange between library databases. It doesn't define what and how things are cataloged.

    As to your example of the 100, 110 and 111 tags, it's dependent on if the author is a person, a company or a meeting. You also have the 130 that is the "uniform title" that overrides those three in most catalog displays. Here's a page that describes the differences between the three: []

    If you really want to understand MARC, read Betty Furrie's Understanding MARC from []

    Finally, if you really go ahead and do MARC (and it sounds like it's probably overkill for what you want), be sure to check out MARC::Lint.



    • Thanks for this info! I had read bits here and there about the format but I was more interested in pulling certain types of information out of it. Yes, going all MARC is really overkill for what I want. I have appended one of my entries which pretty much has everything that I need so that you get a taste of what I am doing.

        DDN: 270.2/092
        ISBN: 1851821872
        LCCN: BR1720.M33
          - Poppe, Erich.
          - Ross, Bianca.
        place: Blackrock, Co. Dublin, Irel