---
name: "httxt2dbm"
section: "1"
platform: "linux"
package: "apache"
version: "2.4.69-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux", "macos"]
url: "https://new.carta.tech/httxt2dbm"
---

# httxt2dbm(1)

Generate dbm files for use with RewriteMap

## NAME

httxt2dbm - Generate dbm files for use with RewriteMap

## SYNOPSIS

**httxt2dbm** \[ -**v** \] \[ -**f** *DBM\_TYPE* \] -**i** *SOURCE\_TXT* -**o** *OUTPUT\_DBM*

## SUMMARY

**httxt2dbm** is used to generate dbm files from text input, for use in RewriteMap with the **dbm** map type.

If the output file already exists, it will not be truncated. New keys will be added and existing keys will be updated.

## OPTIONS

- **-v**

  More verbose output

- **-f** *DBM\_TYPE*

  Specify the DBM type to be used for the output. If not specified, will use the APR Default. Available types are: **GDBM** for GDBM files, **SDBM** for SDBM files, **DB** for berkeley DB files, **NDBM** for NDBM files, **default** for the default DBM type.

- **-i** *SOURCE\_TXT*

  Input file from which the dbm is to be created. The file should be formatted with one record per line, of the form: **key value**. See the documentation for RewriteMap for further details of this file's format and meaning.

- **-o** *OUTPUT\_DBM*

  Name of the output dbm files.

## EXAMPLES

```
httxt2dbm -i rewritemap.txt -o rewritemap.dbm
httxt2dbm -f SDBM -i rewritemap.txt -o rewritemap.dbm
```