---
name: "lt-expand"
section: "1"
platform: "linux"
package: "lttoolbox-dev"
version: "3.8.0-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/lt-expand"
---

# lt-expand(1)

dictionary expander for Apertium

## NAME

**lt-expand** – dictionary expander for Apertium

## SYNOPSIS

**lt-expand** \[**-a** \| **-v** \| **-l** \| **-r** \| **-m** \| **-h**\] *dictionary\_file* \[*output\_file*\]

## DESCRIPTION

**lt-expand** is the application responsible for expanding a dictionary into a simple list of input string-output string pairs by eliminating paradigms through substitution and unfolding.

The output goes to *output\_file* if it is present or to standard output if it is missing.

## OPTIONS

- **-a**, **-****-alt**

  Sets the value of the **alt** attribute to use in expansion

- **-v**, **-****-var**

  Sets the value of the **v** attribute to use in expansion of monodixes

- **-l**, **-****-var-left**

  Sets the value of the **vl** attribute to use in expansion of bidixes

- **-r**, **-****-var-right**

  Sets the value of the **vr** attribute to use in expansion of bidixes

- **-m**, **-****-keep-boundaries**

  Keep any morpheme boundaries defined by the \<m/\> symbol

- **-h**, **-****-help**

  Prints a short help message

## FILES

- *dictionary\_file*

  The input dictionary to expand.

- *output\_file*

  Text containing the expanded dictionary information.

## SEE ALSO

[apertium(1)](/apertium/1.md), [apertium-tagger(1)](/apertium-tagger/1.md), [lt-comp(1)](/lt-comp/1.md), [lt-proc(1)](/lt-proc/1.md)

## COPYRIGHT

Copyright © 2005, 2006 Universitat d'Alacant / Universidad de Alicante. This is free software. You may redistribute copies of it under the terms of *the* *GNU* *General* *Public* *License:* **https://www.gnu.org/licenses/gpl.html**.

## BUGS

Many... lurking in the dark and waiting for you!