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usr
/
share
/
perl5
/
DBM_Filter
null.pm
package DBM_Filter::null ; use strict; use warnings; our $VERSION = '0.03'; sub Store { no warnings 'uninitialized'; $_ .= "\x00" ; } sub Fetch { no warnings 'uninitialized'; s/\x00$// ; } 1; __END__ =head1 NAME DBM_Filter::null - filter for DBM_Filter =head1 SYNOPSIS use SDBM_File; # or DB_File, GDBM_File, NDBM_File, or ODBM_File use DBM_Filter ; $db = tie %hash, ... $db->Filter_Push('null'); =head1 DESCRIPTION This filter ensures that all data written to the DBM file is null terminated. This is useful when you have a perl script that needs to interoperate with a DBM file that a C program also uses. A fairly common issue is for the C application to include the terminating null in a string when it writes to the DBM file. This filter will ensure that all data written to the DBM file can be read by the C application. =head1 SEE ALSO L<DBM_Filter>, L<perldbmfilter> =head1 AUTHOR Paul Marquess pmqs@cpan.org
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