lib:SDBM_File

See the current Perl documentation for lib:SDBM_File.

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

SDBM_File - Tied access to sdbm files

 use SDBM_File;

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

 untie %h;

See tie