var text = "";
// try to open the text file
var reader = File.openText("c:\testfile.txt");
if (!reader)
{
alert("Can't open the file. Does it exist?");
}
else
{
// file opened successfully;
// read in all of the lines in the file
var line;
while ((line = reader.readLine()) != null)
{
text += line;
text += "
";
}
alert(text);
}