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Iterator::File::Source::Interface(3) User Contributed Perl Documentation Iterator::File::Source::Interface(3)

Iterator::File::Source::Interface -- Interface for Iterator::File data sources

All data sources should subclass Iterator::File::Source::Interface & implement the methods defined here.

Iterator::File::Source::Interface inherits from Iterator::File::Utility.

new(%config)
Construct the object. Argument validation. Default assignment.
initialize()
Any heavy lifting should occur here. E.g., opening a file or shared memory segment.
next()
Advance the iterator & return the new value.
value()
Return the current value, without advancing.
advance_to( $location )
Advance the iterator to $location. If $location is behind the current location, behavior is undefined. (I.e., don't do that.)
finish()
Invoked when all is complete so that cleanup may occur.

Iterator::File

William Reardon, <wdr1@pobox.com>

Copyright (C) 2008 by William Reardon

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.8 or, at your option, any later version of Perl 5 you may have available.

2008-06-11 perl v5.32.1

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