Use cases could be:
file.open("test.jpg","r")
chunk=file.read(50)
while chunk
sk:send(chunk)
chunk=file.read(50)
end
file.open("some.file","rw")
file.seek("set",10)
chunk=file.read(20)
file.seek("set",10)
file.write(analyze_and_modify(chunk))
Thomas
P.S.: BTW, many thanks for the latest firmware updates!