---
name: "hvmgr"
section: "1"
platform: "linux"
package: "qdbm-util"
version: "1.8.78-13+b3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/hvmgr"
---

# hvmgr(1)

administration utility for QDBM Hovel

## NAME

hvmgr - administration utility for QDBM Hovel

## SYNOPSIS

**hvmgr create** \[-qdbm *bnum dnum* \] \[-s\] *name*\
 **hvmgr store** \[-qdbm\] \[-kx\] \[-vx\|-vf\] \[-insert\] *name* *key* *val*\
 **hvmgr delete** \[-qdbm\] \[-kx\] *name* *key*\
 **hvmgr fetch** \[-qdbm\] \[-kx\] \[-ox\] \[-n\] *name* *key*\
 **hvmgr list** \[-qdbm\] \[-ox\] *name*\
 **hvmgr optimize** \[-qdbm\] *name*

## DESCRIPTION

This manual page documents briefly the **hvmgr** commands.

**hvmgr** is a utility for debugging Hovel and its applications. It features editing and checking of a database. It can be used for database applications with shell scripts. This command is used in the above format.  *name* specifies a database name. *key* specifies the key of a record. *val* specifies the value of a record.

## OPTIONS

A summary of options is included below. For a complete description, see the file:///usr/share/doc/qdbm-doc/spex.html#hovelcli.

- **-qdbm \[***bnum* *dnum***\]**

  use \`gdbm\_open2' to open the database. *bnum* specifies the number of the elements of the bucket array. *dnum* specifies the number of division of the database.

- **-s**

  make the file sparse.

- **-kx**

  treat *key* as a binary expression of hexadecimal notation.

- **-vx**

  treat *val* as a binary expression of hexadecimal notation.

- **-vf**

  read the value from a file specified with *val*.

- **-insert**

  specify the storing mode for \`GDBM\_INSERT'.

- **-ox**

  treat the output as a binary expression of hexadecimal notation.

- **-n**

  do not output the trailing newline.

## SEE ALSO

[**qdbm**(3)](/qdbm/3.md), [**hovel**(3)](/hovel/3.md).

## AUTHOR

QDBM was written by Mikio Hirabayashi \<mikio@fallabs.com\>.

This manual page was written by Fumitoshi UKAI \<ukai@debian.or.jp\>, for the Debian project (but may be used by others).