bwa mem -R "@RG\tID:1\tSM:SRR7062654\tPL:illumina\tLB:SRR7062654\tPU:1" -t4 Gallus_gallus.Gallus_gallus-5.0.dna.toplevel_chr25-26.fa SRR7062654_R1.fastq.gz SRR7062654_R2.fastq.gz | samtools sort - > SRR7062654.bam bwa mem -R "@RG\tID:1\tSM:SRR7062655\tPL:illumina\tLB:SRR7062655\tPU:1" -t4 Gallus_gallus.Gallus_gallus-5.0.dna.toplevel_chr25-26.fa SRR7062655_R1.fastq.gz SRR7062655_R2.fastq.gz | samtools sort - > SRR7062655.bam