Adobe AIR 1.0 and later
The Adobe AIR file system API includes the following classes:
File
FileMode
FileStream
The file system API lets you do the following (and more):
Copy, create, delete, and move files and directories
Get information about files and directories
Read and write files
AIR file basics
Working with File objects in AIR
Getting file system information
Working with directories
Working with files
Working with storage volumes
Reading and writing files