Many thanks.

Adrian Smith
London

var selectedfile:File = File ( e.target)
if ( selectedfile.extension == null ) selectedfile.nativePath +=”.txt”;
stream.open( selectedfile, FileMode.WRITE );

you can also try:


var file:File = File.desktopDirectory.resolvePath("*.txt");


this way, when the save dialog opens all text files (*.txt) will be filtered. however, since there is no actual filter specified, the input box will allow entering any filename and overwriting files with different extensions. to prevent that and to ensure that an extension is added try the following in the “listener” function:


var selectedfile:File = File(event.target);
var savetarget:String = selectedfile.url;
if(savetarget.indexOf(".txt") == -1) savetarget += ".txt";
var savefile:File = new File();
savefile = savefile.resolvePath(savetarget);
// save stream...