---
name: "gt-featureindex"
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-featureindex"
---

# gt-featureindex(1)

Retrieve annotations from a persistent feature index as GFF3 output.

## NAME

gt-featureindex - Retrieve annotations from a persistent feature index as GFF3 output.

## SYNOPSIS

**gt featureindex** \[option ...\] indexfilename

## DESCRIPTION

**-range** \[*start* *end*\]

range constraint for index query (default: undefined)

- **-seqid** \[*string*\]

  sequence region (default: undefined)

- **-retain** \[*yes\|no*\]

  retain attributes (default: yes)

- **-backend** \[*...*\]

  database backend to use choose from \[sqlite\] (default: sqlite)

- **-filename** \[*string*\]

  filename for feature database (sqlite backend only) (default: undefined)

- **-v** \[*yes\|no*\]

  be verbose (default: no)

- **-help**

  display help and exit

- **-version**

  display version information and exit

## REPORTING BUGS

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