HTTXT2DBM(1) httxt2dbm HTTXT2DBM(1)

# [NAME](#NAME)

httxt2dbm - Generate dbm files for use with RewriteMap

# [SYNOPSIS](#SYNOPSIS)

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

# [SUMMARY](#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](#OPTIONS)

[**-v**](#v)

More verbose output

[**-f DBM\_TYPE**](#f)

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**](#i)

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**](#o)

Name of the output dbm files.

# [EXAMPLES](#EXAMPLES)

```


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


 
```

2026-04-30 Apache HTTP Server

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Document: httxt2dbm(1) from apache2 2.4.68-r3 (Chainguard OS)
Source: https://github.com/apache/httpd