file_size: array

Author: scivision

+stdlib/file_size.m

@@ -7,18 +7,16 @@
 
 function s = file_size(p)
 arguments
-  p {mustBeTextScalar}
+  p string
 end
 
-s = [];
+s = NaN(size(p));
 
-if ~isfile(p)
-  return
-end
+i = isfile(p);
 
-d = dir(p);
-if ~isempty(d)
-  s = d.bytes;
-end
+d = arrayfun(@dir, p(i));
+
+i = i & ~isempty(d);
+s(i) = [d.bytes];
 
 end

test/TestFileImpure.m

@@ -22,6 +22,11 @@ function test_file_size(tc, p_file_size)
 tc.verifyGreaterThan(s, 0)
 end
 
+function test_file_size_array(tc)
+s = stdlib.file_size([mfilename("fullpath") + ".m", "not-exist", fullfile(fileparts(pwd()), "buildfile.m"), tempname()]);
+tc.verifyTrue(all([s(1) > 0, isnan(s(2)), s(3) > 0, isnan(s(4))]))
+end
+
 
 function test_null_file(tc)
 tc.assumeFalse(ispc)