Class: Quality

Inherits:

String

• Object
• String
• Quality

Defined in:

lib/parse_fasta/quality.rb

Overview

Provide some methods for dealing with common tasks regarding quality strings.

Instance Method Summary

• #qual_scores ⇒ Array<Fixnum>

  Returns an array of illumina style quality scores.

Instance Method Details

#qual_scores ⇒ Array<Fixnum>

Returns an array of illumina style quality scores. The quality scores generated will be Phred+33.

Examples:

Get quality score array of a Quality

Quality.new("!+5?I").qual_scores #=> [0, 10, 20, 30, 40]

Returns:

• (Array<Fixnum>) —

  the quality scores

# File 'lib/parse_fasta/quality.rb', line 30

def qual_scores
  self.each_byte.map { |b| b - 33 }
end