position<integer> | <null> Default:
Write an array of
ArrayBufferViews to the file specified by
position is the offset from the beginning of the file where this data
should be written. If
typeof position !== 'number', the data will be written
at the current position.
The callback will be given three arguments:
bytesWritten is how many bytes were written from
If this method is
util.promisify()ed, it returns a promise for an
It is unsafe to use
fs.writev() multiple times on the same file without
waiting for the callback. For this scenario, use
On Linux, positional writes don't work when the file is opened in append mode. The kernel ignores the position argument and always appends the data to the end of the file.