---
name: "fastaq-acgtn_only"
section: "1"
platform: "linux"
package: "fastaq"
version: "3.17.0-9"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/fastaq-acgtn_only"
---

# fastaq-acgtn\_only(1)

Replace every non acgtnACGTN with an N

## NAME

fastaq\_acgtn\_only - Replace every non acgtnACGTN with an N

## DESCRIPTION

usage: fastaq\_acgtn\_only \[options\] \<infile\> \<outfile\>

Replaces any character that is not one of acgtACGTnN with an N

### positional arguments:

- infile

  Name of input file

- outfile

  Name of output file

### options:

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

  show this help message and exit
