simplify

Author: scivision

+stdlib/file_checksum.m

@@ -41,7 +41,7 @@
 
 hash = sprintf('%.2x', hash);
 
-if isa(file, "string")
+try %#ok<TRYNC>
   hash = string(hash);
 end
 

+stdlib/get_shell.m

@@ -6,9 +6,7 @@
 
 s = getenv("SHELL");
 
-d = "";
-
-if isa(d, "string")
+try %#ok<TRYNC>
   s = string(s);
 end
 

+stdlib/h5variables.m

@@ -22,18 +22,14 @@
 
 ds = finf.Datasets;
 
-if ischar(file)
-  if isempty(ds) %#ok<UNRCH>
-    names = [];
-  else
-    names = {ds.Name};
-  end
+if isempty(ds)
+  names = [];
 else
-  if isempty(ds)
-    names = string.empty;
-  else
-    names = string({ds.Name});
-  end
+  names = {ds.Name};
+end
+
+try %#ok<TRYNC>
+  names = string(names);
 end
 
 end

+stdlib/ncvariables.m

@@ -23,18 +23,14 @@
 
 ds = finf.Variables(:);
 
-if ischar(file)
-  if isempty(ds) %#ok<UNRCH>
-    names = [];
-  else
-    names = {ds.Name};
-  end
+if isempty(ds)
+  names = [];
 else
-  if isempty(ds)
-    names = string.empty;
-  else
-    names = string({ds.Name});
-  end
+  names = {ds.Name};
+end
+
+try %#ok<TRYNC>
+  names = string(names);
 end
 
 

+stdlib/private/jPosix.m

@@ -1,17 +1,11 @@
 function s = jPosix(o)
 
-  d = "";
-
   if isempty(o)
     s = "";
   else
     s = o.toString();
   end
 
-  if isa(d, "string")
-    s = string(s);
-  end
-
   s = stdlib.posix(s);
 
 end