And here's an example: // Copy the 1th byte of file1.bin to file2.bin navigator.getFilesystem().then(function(root) { return root.openWrite(["file1.bin", "file2.bin"]); }).then(function(handles) { return handles[0].read(1); }).then(function(buffer) { return handles[1].write(buffer); });
On Mon, Jul 22, 2013 at 8:18 PM, Jan Varga <jan.va...@gmail.com> wrote: > On Sat, Jul 13, 2013 at 2:31 AM, Jonas Sicking <jo...@sicking.cc> wrote: > >> Hi All, >> >> Yesterday a few of us at mozilla went through the FileSystem API >> proposal we previously sent [1] and tightened it up. >> >> > It was also pointed out that we should address multi-file locking too. > One of the options is to make openRead() and openWrite() take a sequence. > > interface Directory { > Promise<FileHandle> openRead((DOMString or File) file); > Promise<FileHandleWritable> openWrite((DOMString or File) file, > OpenWriteOptions options); > Promise<sequence<FileHandle>> openRead(sequence<(DOMString or File)> > files); > Promise<sequence<FileHandleWritable>> openWrite(sequence<(DOMString or > File)> files, OpenWriteOptions options); > } > > So, this works with the current proposal, Jonas has a more complex > solution that probably requires bigger changes in the proposed file system > API. > I'll let Jonas to describe it. > > Jan > >