Function: appendFile()

function appendFile(filePath, contents): AsyncVoidIOResult

Appends content to a file at the specified path.

Parameters

Parameter	Type	Description
`filePath`	`string`	The path of the file to append to.
`contents`	`WriteFileContent`	The content to append to the file.

AsyncVoidIOResult

A promise that resolves to an AsyncIOResult indicating whether the content was successfully appended.