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  }

seqFileIterator is more than B<50x faster than Bio-Perl> Bio::SeqIO for FASTQ files
seqFileIterator is 4x faster than Bio-Perl Bio::SeqIO for FASTA files

=head2 pairedEndSeqFileIterator

Open Paired-End Sequence files using seqFileIterator()

Paird-End files are generated by Next Generation Sequencing technologies (like Illumina) where two
reads are sequenced from the same DNA fragment and saved in separated files.

Example:

  my $it = pairedEndSeqFileIterator($file);
  while (my $entry = $it->()) {
    print "Read_1 : $entry->{read1}->{seq}
           Read_2 : $entry->{read2}->{seq}";
  }

Return: HashRef