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  • INTERVIEW QUESTIONS LANGUAGES PERL DETAILS
    Question :
    What's the significance of @ISA, @EXPORT @EXPORT_OK
    %EXPORT_TAGS list & hashes in a perl package?
    With example?


    Category Perl Interview Questions
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    Added on 7/19/2006
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    Answers:

    @ISA -> each package has its own @ISA array. this array keep track of classes it is inheriting.

    ex:

    package child;

    @ISA=( parentclass);

    @EXPORT this array stores the subroutins to be exported from a module.

    @EXPORT_OK this array stores the subroutins to be exported only on request.





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