GFF files.
Versions 2 and 3 are supported. The only difference is the delimiter used for tag-value pairs in the attribute list: 3 uses an equal sign, and 2 uses a space. Version 3 also has additional requirements, e.g. the feature must be a sequence ontology term, but these are not checked.
More information:
type record = {seqname : string;source : string option;feature : string option;start_pos : int;stop_pos : int;score : float option;strand : [ `Plus | `Minus | `Not_stranded | `Unknown ];phase : int option;attributes : (string * string list) list;}The type of the GFF records/rows.
The items being output by the parser.
val record :
?source:string ->
?feature:string ->
?score:float ->
?strand:[ `Plus | `Minus | `Not_stranded | `Unknown ] ->
?phase:int ->
?attributes:(string * string list) list ->
string ->
int ->
int ->
recordval gff3_item_of_line : Line.t -> (item, [> `Msg of string ]) Pervasives.result