People often talk about PSI::ESP: a powerful module that cannot be downloaded from CPAN but must instead be earned by experience.

As part of one of his Perl tutorials at IBM DeveloperWorks Teodor Zlatanov demonstrates an implementation of the PSI::ESP module.

DeveloperWorks also has several other good articles by the same author as well as other Perl related articles.

My addition to the prescience of this module would be: "binmode() the filehandle".

And yes, I knew you were soing to say that. ;-)

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Re (tilly) 1: PSI::ESP
by tilly (Archbishop) on Mar 16, 2001 at 17:36 UTC
    Some more?
    1. merlyn had an article about that.
    2. You aren't using strict, are you?
    3. Where are your error messages?
    4. There is a module that does that.
    5. Could you use a hash lookup there?
    6. Have you tested this?
    7. Why is this logic repeated?
by JadeNB (Chaplain) on Jul 29, 2009 at 23:43 UTC