casts << {long: 'no_sort', short: 'n', type: 'flag', mandatory: false, default: nil, allowed: nil, disallowed: nil}
casts << {long: 'comp', short: 'c', type: 'flag', mandatory: false, default: nil, allowed: nil, disallowed: nil}
casts << {long: 'identity', short: 'i', type: 'float', mandatory: true, default: 0.9, allowed: nil, disallowed: nil}
-casts << {long: 'cpus', short: 'C', type: 'uint', mandatory: false, default: 1, allowed: nil, disallowed: "0"}
options = Biopieces.options_parse(ARGV, casts)