zcat BMMC_single_donor_ATAC.barcodes_annotated.end1.fastq.gz | grep nan | wc -l > BMMC_single_donor_ATAC.barcodes_annotated.nan_counts
zcat BMMC_single_donor_RNA.barcodes_annotated.UMI.end1.fastq.gz | grep nan | wc -l > BMMC_single_donor_RNA.barcodes_annotated.UMI.nan_counts
zcat BMMC_single_donor_ATAC.barcodes_annotated.end1.fastq.gz | wc -l > BMMC_single_donor_ATAC.barcodes_annotated.fastq.lines
zcat BMMC_single_donor_RNA.barcodes_annotated.UMI.end1.fastq.gz | wc -l > BMMC_single_donor_RNA.barcodes_annotated.UMI.fastq.lines