bio-sam-mutation

https://github.com/stveep/bioruby-sam-mutation

Simple classes for parsing SAM, CIGAR and MD:Z strings, including slices. Methods for calling mutations in HGVS format and looking up consequences using Ensembl VEP REST API. Developed for calling mutations at an expected position in an alignment - e.g. Amplicon sequencing of CRISPR-induced mutations.