├── README.md
└── sha384


/README.md:
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1 | # deno-scripts
2 | A bunch of scripts written in Deno
3 | 


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/sha384:
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 1 | #!/usr/bin/env deno
 2 | 
 3 | import "https://github.com/emn178/js-sha512/raw/v0.8.0/build/sha512.min.js";
 4 | 
 5 | const CHUNKSIZE = 128;
 6 | 
 7 | async function main() {
 8 | 
 9 | 	let files = [];
10 | 
11 | 	if (Deno.args.length > 1) {
12 | 		files.push(...await Promise.all(
13 | 			Deno.args.slice(1).map(async path => ({
14 | 				path,
15 | 				file: await Deno.open(path, "r"),
16 | 			}))
17 | 		));
18 | 	} else {
19 | 		files.push({
20 | 			path: "-",
21 | 			file: Deno.stdin,
22 | 		});
23 | 	}
24 | 
25 | 	const hashes = await Promise.all(
26 | 		files.map(async file => {
27 | 			const hash = sha384.create();
28 | 			const buf = new Uint8Array(CHUNKSIZE);
29 | 
30 | 			let read = 0;
31 | 			while (true) {
32 | 				read = await file.file.read(buf);
33 | 				hash.update(buf.slice(0, read));
34 | 				if (read === Deno.EOF) {
35 | 					break;
36 | 				}
37 | 			}
38 | 
39 | 			return {
40 | 				...file,
41 | 				hash: hash.hex(),
42 | 			};
43 | 		})
44 | 	);
45 | 
46 | 	for (const file of hashes) {
47 | 		console.log(`${file.hash}  ${file.path}`);
48 | 	}
49 | 
50 | }
51 | 
52 | main();
53 | 


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