#!/bin/bash mkdir data cd data for i in `seq 25 40`; do mkdir DRR0161${i}; cd DRR0161${i}; wget ftp://ftp.sra.ebi.ac.uk/vol1/fastq/DRR016/DRR0161${i}/DRR0161${i}_1.fastq.gz; wget ftp://ftp.sra.ebi.ac.uk/vol1/fastq/DRR016/DRR0161${i}/DRR0161${i}_2.fastq.gz; cd ..; done cd ..