Biopieces.open(options[:stream_in], options[:stream_out]) do |input, output|
input.each_record do |record|
- if record.has_key? :SEQ_NAME and record.has_key? :SEQ
+ if record[:SEQ_NAME] and record[:SEQ]
seq = Seq.new_bp(record)
seq.each_digest(options[:pattern].to_s, options[:cut_pos]) do |digest|