How to use the readSync function from fs

fs.js

GitHub: blockcollider/bcnode

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exports.mkdtemp = co.promisify(fs.mkdtemp);
exports.mkdtempSync = fs.mkdtempSync;
exports.open = co.promisify(fs.open);
exports.openSync = fs.openSync;
exports.read = co.promisify(fs.read);
exports.readSync = fs.readSync;
exports.readdir = co.promisify(fs.readdir);
exports.readdirSync = fs.readdirSync;
exports.readFile = co.promisify(fs.readFile);
exports.readFileSync = fs.readFileSync;

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test-fs-error-messages.js

GitHub: nwjs/node

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  common.runWithInvalidFD((fd) => {
    const buf = Buffer.alloc(5);
    fs.read(fd, buf, 0, 1, 1, common.mustCall(validateError));


    assert.throws(
      () => fs.readSync(fd, buf, 0, 1, 1),
      validateError
    );
  });
}

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index.js

GitHub: kyriosli/node-zip

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}
if (typeof file === 'number') {
    return zipFile(fs.fstatSync(file).size, function (offset, length) {
        var buf = new Buffer(length);
        for (var red = 0; red < length;) {
            red += fs.readSync(file, buf, red, length - red, offset + red);
        }
        return buf;
    }, false)._closeHook(function () {
        fs.closeSync(file);

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replace.js

GitHub: RumanSanghera/Receipt-Scanner

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const st = fs.fstatSync(fd)
const headBuf = Buffer.alloc(512)

POSITION: for (position = 0; position < st.size; position += 512) {
  for (let bufPos = 0, bytes = 0; bufPos < 512; bufPos += bytes) {
    bytes = fs.readSync(
      fd, headBuf, bufPos, headBuf.length - bufPos, position + bufPos
    )

    if (position === 0 && headBuf[0] === 0x1f && headBuf[1] === 0x8b) {

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index.js

GitHub: vladimir-andreevich/node.js-14-windows-7

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  require('cluster').isMaster) {
// The copyright notice is relatively big and the flags could come afterwards.
const bytesToRead = 1500;
const buffer = Buffer.allocUnsafe(bytesToRead);
const fd = fs.openSync(require.main.filename, 'r');
const bytesRead = fs.readSync(fd, buffer, 0, bytesToRead);
fs.closeSync(fd);
const source = buffer.toString('utf8', 0, bytesRead);

const flagStart = source.indexOf('// Flags: --') + 10;

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test-fs-largefile.js

GitHub: Mike7323/Mike-s-construction

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fs.ftruncateSync(fd, offset);
assert.strictEqual(fs.statSync(filepath).size, offset);
const writeBuf = Buffer.from(message);
fs.writeSync(fd, writeBuf, 0, writeBuf.length, offset);
const readBuf = Buffer.allocUnsafe(writeBuf.length);
fs.readSync(fd, readBuf, 0, readBuf.length, offset);
assert.strictEqual(readBuf.toString(), message);
fs.readSync(fd, readBuf, 0, 1, 0);
assert.strictEqual(readBuf[0], 0);

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+ 3 other calls in file