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lib/Bio/DB/SeqFeature/Store/FeatureFileLoader.pm  view on Meta::CPAN

delimited text. Embedded whitespace must be escaped using shell
escaping rules (quoting the column or backslashing whitespace).

  Column 1: The feature type. You may use type:subtype as a convention
            for method:source.

  Column 2: The feature name/ID.

  Column 3: The position of this feature in base pair
            coordinates. Ranges can be given as either 
            start-end or start..end. A chromosome position
            can be specified using the format "reference:start..end".
            A discontinuous feature can be specified by giving
            multiple ranges separated by commas. Minus-strand features
            are indicated by specifying a start > end.

  Column 4: Comment/attribute field. A single Note can be given, or
            a series of attribute=value pairs, separated by
            spaces or semicolons, as in "score=23;type=transmembrane"

=head2 Specifying Positions and Ranges