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glical_cat.ml
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glical_cat.ml
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(* -*- coding: utf-8; -*- *)
(* ********************************************************************* *)
(* glical: A library to glance at iCal data using OCaml *)
(* (c) 2013/2014, Philippe Wang <philippe.wang@cl.cam.ac.uk> *)
(* Licence: ISC *)
(* ********************************************************************* *)
(* This is a tiny example that shows a trivial usecase of Glical. *)
open Glical
let cat input output =
let s = Glical.channel_contents input in
let l = lex_ical s in
let p : 'a Ical.t = parse_ical l in
let d = Datetime.parse_datetime p in
let o =
to_string
~f:(function
| (`Text _ | `Raw _) -> None
| `Datetime d -> Some(Datetime.to_string d)
) d in
Printf.fprintf output "%s%!" o
let _ =
cat stdin stdout
(* ********************************************************************* *)
(* Permission to use, copy, modify, and/or distribute this software
for any purpose with or without fee is hereby granted, provided
that the above copyright notice and this permission notice appear
in all copies.
THE SOFTWARE IS PROVIDED “AS IS” AND ISC DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
OF THIS SOFTWARE. *)
(* ********************************************************************* *)