get_recs_by_recno (KirbyBase::KBEngine)

    # File lib/kirbybase.rb, line 1063
        def get_recs_by_recno(table, recnos)
            encrypted = table.encrypted?
            recs = []
            recno_idx = get_recno_index(table)

            with_table(table) do |fptr|
                # Skip header rec.

                fptr.readline

                # Take all the recnos you want to get, add the file positions

                # to them, and sort by file position, so that when we seek

                # through the physical file we are going in ascending file

                # position order, which should be fastest.

                recnos.collect { |r| [recno_idx[r], r] }.sort.each do |r|
                    fptr.seek(r[0])
                    rec, line_length = line_to_rec(fptr.readline, encrypted)

                    next if rec.empty?

                    raise "Index Corrupt!" unless rec[0].to_i == r[1]
                    rec << r[0] << line_length
                    recs << rec
                end
                return recs
            end
        end