simplify

Author: scivision

+stdlib/+python/get_owner.m

@@ -5,7 +5,7 @@
 if ~strlength(file), return, end
 
 try %#ok<TRYNC>
-  n = string(py.str(py.pathlib.Path(file).owner()));
+  n = string(py.pathlib.Path(file).owner());
 end
 
 end

+stdlib/+python/is_char_device.m

@@ -3,6 +3,5 @@
 try
   y = py.pathlib.Path(p).is_char_device();
 catch e
-  warning(e.identifier, "Python is_char_device failed: %s", e.message);
-  y = false;
+  y = logical.empty;
 end

+stdlib/+python/is_symlink.m

@@ -3,8 +3,7 @@
 try
   y = py.pathlib.Path(p).is_symlink();
 catch e
-  warning(e.identifier, "Python is_symlink failed: %s", e.message);
-  y = false;
+  y = logical.empty;
 end
 
 end

+stdlib/parent.m

@@ -9,6 +9,8 @@
 %% Examples:
 % stdlib.parent("a/b/c") == "a/b"
 % stdlib.parent("a/b/c/") == "a/b"
+%% Benchmark
+% Java or Python are each about 2-4x faster than native Matlab
 
 function [par, b] = parent(file, backend)
 arguments