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17.3 Obtain the Size of a File: +FSFS
To obtain the size of a file
<file_name>: File name, at most 50 characters
AT+FSFS="test.txt"
+FSFS: 1024
OK
Obtain the size of the text.txt file.
The size is 1024 bytes.
Obtain the size of the 123.txt file.
ERROR is returned because the file does not
exist.
17.4 Deleting a File: +FSDF
<file_name>: File name, at most 50 characters
Delete the text.txt file.
Delete the 123.txt file.
ERROR is returned because the file does not
exist.