---
name: "gt-seqstat"
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-seqstat"
---

# gt-seqstat(1)

Calculate statistics for fasta file(s).

## NAME

gt-seqstat - Calculate statistics for fasta file(s).

## SYNOPSIS

**gt seqstat** \[options\] file \[...\]

## DESCRIPTION

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

  be verbose (default: no)

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

  show distribution of sequence length (default: no)

- **-b** \[*value*\]

  bucket size for distlen option (default: 100)

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

  use a binary format for distlen output output filename: \<first\_input\_filename\>.distlen bucketsize: 1 (default: no)

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

  summary of contigs set statistics (default: yes)

- **-nstats**

  list of N-values to calculate statistics for, terminated by *--*; if none given, N50 and N80 will be calculated

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

  show distribution of A-substrings (default: no)

- **-genome** \[*value*\]

  set genome length for NG50/NG80 calculation (default: 0)

- **-help**

  display help for basic options and exit

- **-help+**

  display help for all options and exit

- **-version**

  display version information and exit

## REPORTING BUGS

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