Renames an file on an FTP server.
#include <FTPEx.au3>
_FTP_FileRename($l_FTPSession, $s_Existing, $s_New)
| $l_FTPSession | as returned by _FTP_Connect(). |
| $s_Existing | The old file name. |
| $s_New | The new file name. |
| Success: | 1 |
| Failure: | 0 and sets @error to non-zero |