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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { open, openSync } from "./files.ts";
import { readAll, readAllSync } from "./buffer.ts";
/** Reads and returns the entire contents of a file.
*
* const decoder = new TextDecoder("utf-8");
* const data = Deno.readFileSync("hello.txt");
* console.log(decoder.decode(data));
*
* Requires `allow-read` permission. */
export function readFileSync(filename: string): Uint8Array {
const file = openSync(filename);
const contents = readAllSync(file);
file.close();
return contents;
}
/** Reads and resolves to the entire contents of a file.
*
* const decoder = new TextDecoder("utf-8");
* const data = await Deno.readFile("hello.txt");
* console.log(decoder.decode(data));
*
* Requires `allow-read` permission. */
export async function readFile(filename: string): Promise<Uint8Array> {
const file = await open(filename);
const contents = await readAll(file);
file.close();
return contents;
}
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