This protocol provides a method for identifing CRIPR repeats using the program PilerCR on assembled contigs. Based on the methods from the following publication: Hannigan, Geoffrey D., et al. "The Human Skin Double-Stranded DNA Virome: Topographical and Temporal Diversity, Genetic Enrichment, and Dynamic Associations with the Host Microbiome." mBio 6.5 (2015): e01578-15.