disk group backward compat

Author: scivision

+stdlib/+sys/is_mount.m

@@ -1,7 +1,4 @@
 function [y, cmd] = is_mount(filepath)
-arguments
-  filepath (1,1) string
-end
 
 cmd = '';
 if ~stdlib.exists(filepath)

+stdlib/device.m

@@ -8,9 +8,10 @@
 % * b: backend used
 
 function [i, b] = device(file, backend)
-arguments
-  file
-  backend (1,:) string = ["java", "python", "sys"]
+if nargin < 2
+  backend = ["java", "python", "sys"];
+else
+  backend = string(backend);
 end
 
 i = uint64.empty;

+stdlib/disk_available.m

@@ -11,9 +11,10 @@
 % Ref: https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/io/File.html#getUsableSpace()
 
 function [i, b] = disk_available(file, backend)
-arguments
-  file
-  backend (1,:) string = ["java", "dotnet", "python", "sys"]
+if nargin < 2
+  backend = ["java", "dotnet", "python", "sys"];
+else
+  backend = string(backend);
 end
 
 i = uint64.empty;

+stdlib/disk_capacity.m

@@ -9,9 +9,10 @@
 % * b: backend used
 
 function [i, b] = disk_capacity(file, backend)
-arguments
-  file
-  backend (1,:) string = ["java", "dotnet", "python", "sys"]
+if nargin < 2
+  backend = ["java", "dotnet", "python", "sys"];
+else
+  backend = string(backend);
 end
 
 i = uint64.empty;

+stdlib/filesystem_type.m

@@ -10,9 +10,10 @@
 % * b: backend used
 
 function [r, b] = filesystem_type(file, backend)
-arguments
-  file
-  backend (1,:) string = ["java", "dotnet", "python", "sys"]
+if nargin < 2
+  backend = ["java", "dotnet", "python", "sys"];
+else
+  backend = string(backend);
 end
 
 r = '';

+stdlib/get_owner.m

@@ -8,9 +8,10 @@
 % * b: backend used
 
 function [r, b] = get_owner(file, backend)
-arguments
-  file
-  backend (1,:) string = ["java", "dotnet", "python", "sys"]
+if nargin < 2
+  backend = ["java", "dotnet", "python", "sys"];
+else
+  backend = string(backend);
 end
 
 r = '';

+stdlib/get_permissions.m

@@ -15,7 +15,7 @@
   b = 'native';
 catch e
   switch e.identifier
-    case 'MATLAB:UndefinedFunction'
+    case {'MATLAB:UndefinedFunction', 'Octave:undefined-function'}
       perm = perm2char(file_attributes(file));
       b = 'legacy';
     case 'MATLAB:io:filesystem:filePermissions:CannotFindLocation'

+stdlib/hard_link_count.m

@@ -12,9 +12,10 @@
 % * https://docs.oracle.com/javase/tutorial/essential/io/links.html
 
 function [i, b] = hard_link_count(file, backend)
-arguments
-  file
-  backend (1,:) string = ["java", "python", "sys"]
+if nargin < 2
+  backend = ["java", "python", "sys"];
+else
+  backend = string(backend);
 end
 
 i = [];

+stdlib/inode.m

@@ -8,9 +8,10 @@
 % * b: backend used
 
 function [i, b] = inode(file, backend)
-arguments
-  file
-  backend (1,:) string = ["java", "python", "sys"]
+if nargin < 2
+  backend = ["java", "python", "sys"];
+else
+  backend = string(backend);
 end
 
 i = uint64.empty;

+stdlib/is_dev_drive.m

@@ -8,9 +8,10 @@
 % * b: backend used
 
 function [i, b] = is_dev_drive(file, backend)
-arguments
-  file
-  backend (1,:) string = ["python", "sys"]
+if nargin < 2
+  backend = ["python", "sys"];
+else
+  backend = string(backend);
 end
 
 i = logical.empty;