22 lines
740 B
OCaml
22 lines
740 B
OCaml
let bracket ~make:(lazy x) ~act ~free =
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Fun.protect (fun () -> act x) ~finally:(fun () -> free x)
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let infile ~act name =
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bracket ~make:(lazy (open_in name)) ~act ~free:close_in_noerr
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let infile_lines ~line:f ~of_seq name =
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let get_line file =
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try Some (f (input_line file), file)
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with End_of_file -> None in
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let act file = of_seq (Seq.unfold get_line file) in
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infile name ~act
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let infile_iter_lines ~line ~iter = infile_lines ~of_seq:(Seq.iter iter) ~line
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let infile_chunks' ~chunk ~of_seq input =
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let of_seq seq = Seq.line_chunks' seq |> Seq.map chunk |> of_seq in
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infile_lines input ~line:Fun.id ~of_seq
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let infile_chunks ?(join=" ") ~chunk =
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infile_chunks' ~chunk:(fun lst -> chunk (String.concat join lst))
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