---
name: "crb-blast"
section: "1"
platform: "linux"
package: "ruby-crb-blast"
version: "0.6.9-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/crb-blast"
---

# crb-blast(1)

Conditional Reciprocal Best BLAST

## NAME

crb-blast - Conditional Reciprocal Best BLAST

## DESCRIPTION

CRB-Blast v0.6.9 by Chris Boursnell \<cmb211@cam.ac.uk\>

Conditional Reciprocal Best BLAST

USAGE: crb-blast \<options\>

### OPTIONS:

- **--query**, **-q** \<s\>:

  query fasta file

- **--target**, **-t** \<s\>:

  target fasta file

- **--evalue**, **-e** \<f\>:

  e-value cut off for BLAST. Format 1e-5 (default: 1.0e-05)

- **--threads**, **-h** \<i\>:

  number of threads to run BLAST with (default: 1)

- **--output**, **-o** \<s\>:

  output file as tsv

- **--split**, **-s**:

  split the fasta files into chunks and run multiple blast jobs and then combine them.

- **--verbose**, **-v**:

  be verbose

- **--version**, **-r**:

  Print version and exit

- **--help**, **-l**:

  Show this message