使用 camlzip 和 GZIP 壓縮單一檔案

任務

壓縮 / 使用 GZIP 壓縮單一檔案

使用的 Opam 套件

• camlzip 測試版本：1.11 — 使用的函式庫：camlzip

程式碼

(* We open both files (`source` with `In_channel.open_bin` and `dest` with `Gzip.open_out`) and transfer bytes through a bytes buffer. *) let buffer_size = 4096 let gzip source dest = let gz_file = Gzip.open_out ~level:9 dest in let buffer = Bytes.make buffer_size '*' in let ic = In_channel.open_bin source in let rec aux () = let len = In_channel.input ic buffer 0 buffer_size in if len <> 0 then begin Gzip.output gz_file buffer 0 len; aux () end in aux (); Gzip.close_out gz_file; In_channel.close ic

let buffer_size = 4096

let gzip source dest =
  let gz_file = Gzip.open_out ~level:9 dest in
  let buffer = Bytes.make buffer_size '*' in
  let ic = In_channel.open_bin source in
  let rec aux () =
    let len = In_channel.input ic buffer 0 buffer_size in
    if len <> 0 then
      begin
        Gzip.output gz_file buffer 0 len;
        aux ()
      end
  in
  aux ();
  Gzip.close_out gz_file;
  In_channel.close ic

食譜無法運作？註解不清楚或過時？