is_admin use missing

is_mount use missing

cpu_load use missing

file_size use missing

hard_link_count, get_uid: use missing

get process priority: use missing

uptime: use missing

username: use missing

Author: scivision

+stdlib/+dotnet/get_process_priority.m

@@ -5,7 +5,7 @@
   i = double(p.PriorityClass);
 catch e
   dotnetException(e)
-  i = [];
+  i = missing;
 end
 
 end

+stdlib/+dotnet/get_uid.m

@@ -1,6 +1,6 @@
 function u = get_uid()
 
-u = '';
+u = missing;
 
 if ispc()
   try

+stdlib/+dotnet/get_username.m

@@ -7,7 +7,7 @@
   n = char(System.Environment.UserName);
 catch e
   dotnetException(e)
-  n = '';
+  n = missing;
 end
 
 end

+stdlib/+dotnet/is_admin.m

@@ -3,7 +3,7 @@
 function y = is_admin()
 
 
-y = logical([]);
+y = missing;
 if ~ispc()
   return
 end

+stdlib/+dotnet/uptime.m

@@ -8,7 +8,7 @@
   t = ts.TotalSeconds;
 catch e
   dotnetException(e)
-  t = [];
+  t = missing;
 end
 
 end

+stdlib/+java/cpu_load.m

@@ -1,5 +1,7 @@
 function L = cpu_load()
 
+L = missing;
+
 try
   b = javaMethod('getOperatingSystemMXBean', 'java.lang.management.ManagementFactory');
 
@@ -14,7 +16,6 @@
   end
 catch e
   javaException(e)
-  L = [];
 end
 
 end

+stdlib/+java/get_username.m

@@ -4,7 +4,7 @@
   n = char(javaMethod('getProperty', 'java.lang.System', 'user.name'));
 catch e
   javaException(e)
-  n = '';
+  n = missing;
 end
 
 end

+stdlib/+java/hard_link_count.m

@@ -1,7 +1,7 @@
 function i = hard_link_count(file)
 
 
-i = [];
+i = missing;
 if stdlib.strempty(file)
   return
 end

+stdlib/+java/is_admin.m

@@ -10,7 +10,7 @@
   ok = unixSystem.getUid() == 0;
 catch e
   javaException(e)
-  ok = logical([]);
+  ok = missing;
 end
 
 end

+stdlib/+perl/get_uid.m

@@ -2,7 +2,7 @@
 
 function u = get_uid()
 
-u = [];
+u = missing;
 if ispc()
   return
 end