SWI-Prolog -- uri

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Predicate uri_data/3

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Availability::- use_module(library(uri)).(can be autoloaded)

[semidet]uri_data(+Field, +Components, -Data)

[nondet]uri_data(-Field, +Components, -Data)

Provide access the uri_components or urn_components structure. The Field scheme is always present. Other fields depend on the scheme. The urn scheme provides nid and nss. Other schems provide authority, path, search and fragment