18 lines
779 B
OCaml
18 lines
779 B
OCaml
open Logarion
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let authors r topics_opt =
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let predicates = Archive.(predicate topics topics_opt) in
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let predicate text = List.fold_left (fun a e -> a && e text) true predicates in
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let author_union a (e, _) = Person.Set.union a e.Text.authors in
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let s = File_store.fold ~r ~predicate author_union Person.Set.empty in
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Person.Set.iter (fun x -> print_endline (Person.to_string x)) s
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open Cmdliner
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let term =
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let recurse = Arg.(value & flag & info ["R"]
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~doc:"include texts in subdirectories too") in
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let topics = Arg.(value & opt (some string) None & info ["topics"]
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~docv:"TOPICS" ~doc:"display authors who have written on topics") in
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Term.(const authors $ recurse $ topics),
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Term.info "authors" ~doc:"list authors"
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~man:[ `S "DESCRIPTION"; `P "List author names" ]
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