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 ##-*- Mode: CPerl -*-  | 
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 ## File: Tie/File/Indexed/FreezeN.pm  | 
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 ## Author: Bryan Jurish   | 
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 ## Description: tied array access to indexed data files: Storable-frozen references (network byte-order)  | 
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 package Tie::File::Indexed::FreezeN;  | 
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 use Tie::File::Indexed::Freeze;  | 
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 use Storable;  | 
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 use strict;  | 
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 ##======================================================================  | 
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 ## Globals  | 
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 our @ISA = qw(Tie::File::Indexed::Freeze);  | 
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 ##======================================================================  | 
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 ## Subclass API: Data I/O: overrides  | 
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 ## $bool = $tfi->writeData($data)  | 
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 ##  + override transparently encodes data using Storable::nfreeze()  | 
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 sub writeData {  | 
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   return 1 if (!defined($_[1])); ##-- don't waste space on undef  | 
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   return $_[0]{datfh}->print( Storable::nfreeze($_[1]) );  | 
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 }  | 
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 ## $data_or_undef = $tfi->readData($length)  | 
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 ##  + inherited method from Tie::File::Indexed::Freeze transparently decodes data using Storable::thaw()  | 
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 1; ##-- be happpy  |