---
name: "set_unicharset_properties"
section: "1"
platform: "linux"
package: "tesseract-ocr"
version: "5.5.0-1+b1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/set_unicharset_properties"
---

# set\_unicharset\_properties(1)

set properties about the unichars

## NAME

set\_unicharset\_properties - set properties about the unichars

## SYNOPSIS

**set\_unicharset\_properties** --U *input\_unicharsetfile* --script\_dir */path/to/langdata* --O *output\_unicharsetfile*

## DESCRIPTION

[set\_unicharset\_properties(1)](/set_unicharset_properties/1.md) reads a unicharset file, puts the result in a UNICHARSET object, fills it with properties about the unichars it contains and writes the result back to another unicharset file.

## OPTIONS

- *--script\_dir /path/to/langdata*

  (Input) Specify the location of directory for universal script unicharsets and font xheights (type:string default:)

- *--U unicharsetfile*

  (Input) Specify the location of the unicharset to load as input.

- *--O unicharsetfile*

  (Output) Specify the location of the unicharset to be written with updated properties.

## HISTORY

[set\_unicharset\_properties(1)](/set_unicharset_properties/1.md) was first made available for tesseract version 3.03.

## RESOURCES

Main web site: **https://github.com/tesseract-ocr** Information on training: **https://tesseract-ocr.github.io/tessdoc/Training-Tesseract.html**

## SEE ALSO

[tesseract(1)](/tesseract/1.md)

## COPYING

Copyright (C) 2012 Google, Inc. Licensed under the Apache License, Version 2.0

## AUTHOR

The Tesseract OCR engine was written by Ray Smith and his research groups at Hewlett Packard (1985-1995) and Google (2006-2018).