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

# fastaq-make\_random\_contigs(1)

Make contigs of random sequence

## NAME

fastaq\_make\_random\_contigs - Make contigs of random sequence

## DESCRIPTION

usage: fastaq\_make\_random\_contigs \[options\] \<contigs\> \<length\> \<outfile\>

Makes a multi-FASTA file of random sequences, all of the same length. Each base has equal chance of being A,C,G or T

### positional arguments:

- contigs

  Number of contigs to make

- length

  Length of each contig

- outfile

  Name of output file

### options:

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

  show this help message and exit

- **--first\_number** FIRST\_NUMBER

  If numbering the sequences, the first sequence gets this number \[1\]

- **--name\_by\_letters**

  Name the contigs A,B,C,... will start at A again if you get to Z

- **--prefix** PREFIX

  Prefix to add to start of every sequence name

- **--seed** SEED

  Seed for random number generator. Default is to use python's default