cmd = /oak/stanford/groups/akundaje/projects/alzheimers_parkinsons/pseudobulk/pseudobulk_outputs/peaks/overlap_peaks_bedtools_merged/Cluster17.overlap.optimal.narrowPeak hg38 /oak/stanford/groups/akundaje/projects/alzheimers_parkinsons/pseudobulk/homer/background_genome_overlap/Cluster17