Joinx is a lightweight tool for performing set operations (e.g., intersection, difference, …) on genomic data contained in .bed files. It also provides some limited analysis functions (concordance reports). An important assumption that joinx makes is that the input data is always sorted. This allows it to compute its results in an efficient manner.
The Genome Institute at Washington University
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Am J Hum Genet. 2014 Mar 6;94(3):373-84. doi: 10.1016/j.ajhg.2014.01.016. Epub 2014 Feb 20.
Exome-based mapping and variant prioritization for inherited Mendelian disorders.
Koboldt DC, Larson DE, Sullivan LS, Bowne SJ, Steinberg KM, Churchill JD, Buhr AC, Nutter N, Pierce EA, Blanton SH, Weinstock GM, Wilson RK, Daiger SP