How to check if a json file is empty or not in matlab?

I am reading the json file using jsondecode function.

i need to check if the json file is empty or not. If empty, display error message.

Answer 1

[madhan ravi]

https://in.mathworks.com/help/matlab/ref/exist.html

https://in.mathworks.com/help/matlab/file-operations.html

https://in.mathworks.com/help/matlab/ref/is.html

Answer 2

[KSSV]

s = jsondecode('["one", "two", "three"]')
if any(cellfun(@isempty,s))
    disp('empty')
else
    disp('not empty')
end

[Naresh R A]

the above code is not working for my json file

[KSSV]

YOu attach the jason file here......

[Naresh R A]

the file format is as shown in above message

[KSSV]

Try this:

fname = 'data.json'; 
fid = fopen(fname); 
raw = fread(fid,inf); 
str = char(raw'); 
fclose(fid); 

[Naresh R A]

i just need to check if json file is empty or not. The above code is not related.

[KSSV]

get the file info and get it size else..

[KSSV]

f = dir(filename) ;
f.bytes