Home > @rushstack/node-core-library > FileSystem > appendToFile
FileSystem.appendToFile() method
Writes a text string to a file on disk, appending to the file if it already exists. Behind the scenes it uses fs.appendFileSync()
.
Signature:
static appendToFile(filePath: string, contents: string | Buffer, options?: IFileSystemWriteFileOptions): void;
Parameters
Parameter | Type | Description |
---|---|---|
filePath | string | The absolute or relative path of the file. |
contents | string | Buffer | The text that should be written to the file. |
options | IFileSystemWriteFileOptions | (Optional) Optional settings that can change the behavior. Type: IWriteFileOptions |
Returns:
void
Remarks
Throws an error if the folder doesn't exist, unless ensureFolder=true.