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I would second your opinion that this tut is a great resource. On a lighter note the OP is not alone. This node is a classic: Confession of a Perl Hacker and also has some useful pack/unpack hints.
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perlpacktut
"pack and unpack are two functions for transforming data according to a user-defined template, between the guarded way Perl stores values and some well-defined representation as might be required in the environment of a Perl program. Unfortunately, they're also two of the most misunderstood and most often overlooked functions that Perl provides. This tutorial will demystify them for you."
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If you have a copy of The Perl Cookbook there's an example of extracting records from a Linux wtmp file using unpack().
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Excellent suggestions. It's good to see that I'm not alone in my shame. Hopefully others will be able to find this thread and have an easier time searching than I did. Thanks.
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