Returns the number of bytesRead.
For detailed information, see the documentation of the asynchronous version of this API: read.
function
fs.readSync
fd: number,
buffer: ArrayBufferView,
offset: number,
length: number,
): number;
fd: number,
buffer: ArrayBufferView,
): number;
Similar to the above fs.readSync function, this version takes an optional options object. If no options object is specified, it will default with the above values.