inode shell fallback

Author: scivision

+stdlib/+python/inode.m

@@ -0,0 +1,9 @@
+function i = inode(p)
+
+try
+  i = uint64(int64(py.os.stat(p).st_ino)); 
+  % int64 first is for Matlab <= R2022a
+catch e
+  warning(e.identifier, "%s", e.message)
+  i = [];
+end

+stdlib/+sys/device.m

@@ -1,11 +1,15 @@
 function i = device(p)
 
+i = [];
 
 if ispc()
-  cmd = "powershell -Command (Get-CimInstance -ClassName Win32_Volume -Filter 'DriveLetter = \"" + p(1) + "\"').DeviceID";
+  c0 = 'powershell -Command "(Get-CimInstance -ClassName Win32_Volume -Filter \"DriveLetter = ''';
+  c1 = stdlib.root_name(stdlib.resolve(p));
+  c2 = '''\").SerialNumber"';
+  cmd = strcat(c0, c1, c2);
 elseif ismac()
   cmd = "stat -f %d " + p;
-elseif isunix()
+else
   cmd = "stat -c %d " + p;
 end
 
@@ -15,4 +19,6 @@
   i = str2double(m);
 end
 
+i = uint64(i);
+
 end

+stdlib/+sys/inode.m

@@ -0,0 +1,20 @@
+function i = inode(m)
+
+i = [];
+
+if ispc()
+  cmd = "fsutil file queryfileid " + m;
+elseif ismac()
+  cmd = "stat -f %i " + m;
+else
+  cmd = "stat -c %i " + m;
+end
+
+[s, m] = system(cmd);
+if s == 0
+  i = str2double(m);
+end
+
+i = uint64(i);
+
+end

+stdlib/inode.m

@@ -10,16 +10,15 @@
 i = [];
 
 if stdlib.has_python()
-  i = uint64(int64(py.os.stat(p).st_ino)); % int64 first is for Matlab <= R2022a
+  i = stdlib.python.inode(p);
 elseif isunix() && stdlib.java_api() >= 11
   % Java 1.8 is buggy in some corner cases, so we require at least 11.
   opt = javaMethod("values", "java.nio.file.LinkOption");
   i = javaMethod("getAttribute", "java.nio.file.Files", javaPathObject(p), "unix:ino", opt);
-elseif stdlib.isoctave()
-  [s, err] = stat(p);
-  if err == 0
-    i = s.ino;
-  end
+end
+
+if isempty(i)
+  i = stdlib.sys.inode(m);
 end
 
 end