# :icon-fold-down: Extract linked-read barcodes

You might want a list of all the unique barcodes in your data and [!badge corners="pill" text="extract"] will do just that.

### FASTQ
```bash usage
djinn fastq extract INPUT...
```

```bash example 
djinn fastq extract sample1.F.fq.gz sample1.R.fq.gz > sample1.bc
```

### SAM
```bash usage
djinn sam extract INPUT
```

```bash example
djinn sam extract sample1.bam > sample1.bc
```