more remove of arguments and non-coerce

Author: scivision

+stdlib/+legacy/file_attributes.m

@@ -1,11 +1,8 @@
 function a = file_attributes(p)
-arguments
-  p (1,1) string
-end
-% need arguments and stdlib.strempty for Matlab < R2020b
 
 a = struct.empty;
 
+% need stdlib.strempty for Matlab < R2020b
 if stdlib.strempty(p)
   return
 end

+stdlib/+native/is_symlink.m

@@ -1,11 +1,8 @@
 function i = is_symlink(file)
 
-try
+if ~stdlib.matlabOlderThan('R2024b')
   i = isSymbolicLink(file);
-catch e
-  if e.identifier ~= "MATLAB:UndefinedFunction"
-    rethrow(e)
-  end
+else
   i = logical.empty;
 end
 

+stdlib/+native/read_symlink.m

@@ -1,14 +1,11 @@
 function r = read_symlink(file)
 
-try
+if ~stdlib.matlabOlderThan('R2024b')
   [ok, r] = isSymbolicLink(file);
   if ~ok
     r = string.empty;
   end
-catch e
-  if e.identifier ~= "MATLAB:UndefinedFunction"
-    rethrow(e)
-  end
+else
   r = string.empty;
 end
 

+stdlib/device.m

@@ -9,7 +9,7 @@
 
 function [i, b] = device(file, backend)
 arguments
-  file string
+  file
   backend (1,:) string = ["java", "python", "sys"]
 end
 

+stdlib/exists.m

@@ -5,15 +5,12 @@
 % In C/C++ access() or stat() the same behavior is observed Windows vs Unix.
 %
 %%% Inputs
-% * p: path to check
+% * fpath: path to check
 %%% Outputs
 % * ok: true if exists
 
-function y = exists(p)
-arguments
-  p string
-end
+function y = exists(fpath)
 
-y = isfile(p) | isfolder(p);
+y = isfile(fpath) || isfolder(fpath);
 
 end

+stdlib/expanduser.m

@@ -10,10 +10,6 @@
 % * e: expanded path
 
 function e = expanduser(file)
-arguments
-  file (1,1) string
-end
-
 
 pat = ['~[/\', filesep, ']+|^~$'];
 
@@ -25,12 +21,15 @@
   return
 end
 
-home = string(stdlib.homedir());
+home = stdlib.homedir();
 
 if i1 - i0 == 0 || strlength(file) == i1
   e = home;
+  if isstring(file)
+    e = string(e);
+  end
 else
-  e = strjoin([home, extractAfter(file, i1)], filesep);
+  e = append(home, '/', extractAfter(file, i1));
 end
 
 end

+stdlib/file_size.m

@@ -1,18 +1,15 @@
 %% FILE_SIZE size in bytes of file
 %
 %%% Inputs
-% * p: path to file
+% * file: path to file
 %%% Outputs
 % * s: size in bytes; empty if file does not exist
 
-function s = file_size(p)
-arguments
-  p (1,1) string
-end
+function s = file_size(file)
 
 s = [];
 
-d = dir(p);
+d = dir(file);
 
 if isscalar(d) && ~d.isdir
   s = d.bytes;

+stdlib/get_modtime.m

@@ -6,9 +6,6 @@
 % * t: modification time, or empty if path does not exist
 
 function t = get_modtime(file)
-arguments
-  file
-end
 
 t = datetime.empty;
 

+stdlib/hard_link_count.m

@@ -13,7 +13,7 @@
 
 function [i, b] = hard_link_count(file, backend)
 arguments
-  file string
+  file
   backend (1,:) string = ["java", "python", "sys"]
 end
 

+stdlib/is_readable.m

@@ -8,9 +8,6 @@
 % this method is like 40x faster than native
 
 function y = is_readable(file)
-arguments
-  file (1,1) string
-end
 
 a = stdlib.legacy.file_attributes(file);