20 lines
555 B
OCaml
20 lines
555 B
OCaml
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let read f =
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try
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let ic = open_in_bin f in
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let n = in_channel_length ic in
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let s = Bytes.create n in
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really_input ic s 0 n;
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close_in ic;
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let b = Bigstringaf.create n in
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Bigstringaf.blit_from_bytes s ~src_off:0 b ~dst_off:0 ~len:n;
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b
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with e ->
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failwith (Printf.sprintf "Cannot read content of %s.\n%s" f (Printexc.to_string e))
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;;
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let () =
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let twitter_big = read Sys.argv.(1) in
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match Angstrom.(parse_bigstring ~consume:Consume.Prefix RFC7159.json twitter_big) with
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| Ok _ -> ()
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| Error err -> failwith err
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