lib:NDBM_File

See the current Perl documentation for lib:NDBM_File.

Here is our local, out-dated (pre-5.6) version:

NDBM_File - Tied access to ndbm files

 use NDBM_File;
 use Fcntl;       # for O_ constants

 tie(%h, 'NDBM_File', 'Op.dbmx', O_RDWR|O_CREAT, 0640);

 untie %h;

See tie