---
name: "gt-gff3validator"
section: "1"
platform: "linux"
package: "genometools"
version: "1.6.5+ds-2.2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/gt-gff3validator"
---

# gt-gff3validator(1)

Strictly validate given GFF3 files.

## NAME

gt-gff3validator - Strictly validate given GFF3 files.

## SYNOPSIS

**gt gff3validator** \[option ...\] \[GFF3\_file ...\]

## DESCRIPTION

- **-typecheck** \[*string*\]

  use an ontology given in an OBO file to validate parent-child relationships. If no argument is given, the sofa.obo file from the gtdata/obo\_files directory is used. If an argument is given, it is used as an OBO filename. In the case that such a file does not exist *.obo* is added to the argument and loading the resulting filename from the gtdata/obo\_files directory is attempted. (default: undefined)

- **-xrfcheck** \[*string*\]

  check Dbxref and Ontology\_term attributes for correct syntax according to a abbreviation definition file. If no argument is given, the GO.xrf\_abbs file from the gtdata/xrf\_abbr directory is used. If an argument is given, it is used as an specific filename for an abbreviation file. In the case that such a file does not exist, *.xrf\_abbr* is added to the argument and loading the resulting filename from the gtdata/xrf\_abbr directory is attempted. (default: undefined)

- **-help**

  display help and exit

- **-version**

  display version information and exit

## REPORTING BUGS

Report bugs to https://github.com/genometools/genometools/issues.