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DBM_Filter::null(3) Perl Programmers Reference Guide DBM_Filter::null(3)

DBM_Filter::null - filter for DBM_Filter

    use SDBM_File; # or DB_File, GDBM_File, NDBM_File, or ODBM_File
    use DBM_Filter ;

    $db = tie %hash, ...
    $db->Filter_Push('null');

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.

DBM_Filter, perldbmfilter

Paul Marquess pmqs@cpan.org
2022-02-19 perl v5.34.1

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