---
name: "DBM_Filter::compress"
section: "3p"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/DBM_Filter::compress"
---

# DBM\_Filter::compress(3p)

filter for DBM\_Filter

## NAME

DBM\_Filter::compress - filter for DBM\_Filter

## SYNOPSIS

```
    use SDBM_File; # or DB_File, GDBM_File, NDBM_File, ODBM_File
    use DBM_Filter ;
    $db = tie %hash, ...
    $db->Filter_Push('compress');
```

## DESCRIPTION

This DBM filter will compress all data before it is written to the database and uncompressed it on reading.

A fatal error will be thrown if the Compress::Zlib module is not available.

## SEE ALSO

DBM\_Filter, perldbmfilter, Compress::Zlib

## AUTHOR

Paul Marquess pmqs@cpan.org