AT#WSCRIPT=[<script_name>[,<size>[,<hidden>]]]
Set command store a file in user NVM , naming it <script_name>
The device shall prompt five characters sequence
<CR><LF><greater_than><greater_than><greater_than> (IRA 13, 10, 62,
62, 62)
after command line is terminated with <CR>; after that a file can be
entered from TE, sized <size> bytes.
The operations complete when all the bytes are received.
If writing ends successfully, the response is OK; otherwise an error code is
reported.
Parameters:
name of the file in NVM, string type
(max 127chars, case sensitive)