appendFileAsync

abstract fun appendFileAsync(data: String): <Error class: unknown class><<Error class: unknown class>>(source)
abstract fun appendFileAsync(    data: String,     options: FileHandleAppendFileAsyncOptions? = definedExternally): <Error class: unknown class><<Error class: unknown class>>(source)
abstract fun appendFileAsync(    data: String,     options: BufferEncoding? = definedExternally): <Error class: unknown class><<Error class: unknown class>>(source)
abstract fun appendFileAsync(    data: <Error class: unknown class><out <Error class: unknown class>>): <Error class: unknown class><<Error class: unknown class>>(source)
abstract fun appendFileAsync(    data: <Error class: unknown class><out <Error class: unknown class>>,     options: FileHandleAppendFileAsyncOptions? = definedExternally): <Error class: unknown class><<Error class: unknown class>>(source)
abstract fun appendFileAsync(    data: <Error class: unknown class><out <Error class: unknown class>>,     options: BufferEncoding? = definedExternally): <Error class: unknown class><<Error class: unknown class>>(source)

Alias of filehandle.writeFile().

When operating on file handles, the mode cannot be changed from what it was set to with fsPromises.open(). Therefore, this is equivalent to filehandle.writeFile().

Since

v10.0.0

Return

Fulfills with undefined upon success.