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38 lines
1.1 KiB
38 lines
1.1 KiB
#! /usr/bin/env node
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import createHash from "./browserify";
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import { createReadStream } from "fs";
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var argv = process.argv.slice(2);
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function pipe(algorithm, s) {
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var start = Date.now();
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var hash = createHash(algorithm || 'sha1');
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s.on('data', function (data) {
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hash.update(data);
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});
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s.on('end', function () {
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if (process.env.DEBUG) {
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return console.log(hash.digest('hex'), Date.now() - start);
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}
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console.log(hash.digest('hex'));
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});
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}
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function usage() {
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console.error('sha.js [algorithm=sha1] [filename] # hash filename with algorithm');
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console.error('input | sha.js [algorithm=sha1] # hash stdin with algorithm');
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console.error('sha.js --help # display this message');
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}
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if (!process.stdin.isTTY) {
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pipe(argv[0], process.stdin);
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}
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else if (argv.length) {
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if (/--help|-h/.test(argv[0])) {
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usage();
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}
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else {
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var filename = argv.pop();
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var algorithm = argv.pop();
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pipe(algorithm, { createReadStream }.createReadStream(filename));
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}
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}
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else {
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usage();
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}
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