writeSync

function writeSync(bufId): number;

Write (save) buffer's text contents to local filesystem synchronizely.

Parameters

Parameter	Type	Description
bufId	number	The buffer's ID that you want to write to filesystem.

Returns

number

It returns a positive integer to indicate how many bytes have been written to the file, if written successfully.

Throws

Throws TypeError if the parameter is invalid, or Error if failed to write buffer to file system.

Example

const bufId = Rsvim.buf.currentBufferId();
try {
  const bytes = Rsvim.buf.writeSync(bufId);
  Rsvim.cmd.echo(`Buffer ${bufId} has been saved, ${bytes} bytes written`);
} catch (e) {
  Rsvim.cmd.echo(`Error: failed to save buffer ${bufId}, exception: ${e}`);
}