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/** very fast */import { gunzip, gzip } from "../zlib/mod.ts";/** slow */// import { gzip, gunzip } from "./gzip.ts";import { readAll, writeAll } from "../deps.ts";
export async function gzipFile(src: string, dest: string): Promise<void> {  const reader = await Deno.open(src, {    read: true,  });  const writer = await Deno.open(dest, {    write: true,    create: true,    truncate: true,  });  await writeAll(writer, gzip(await readAll(reader), undefined));  writer.close();  reader.close();}
export async function gunzipFile(src: string, dest: string): Promise<void> {  const reader = await Deno.open(src, {    read: true,  });  const writer = await Deno.open(dest, {    write: true,    create: true,    truncate: true,  });  await writeAll(writer, gunzip(await readAll(reader)));}