September 2017 Update

Task/Visualize-a-tree/Zkl/visualize-a-tree.zkl

@@ -0,0 +1,20 @@
+fcn vaultDir(out=Console){
+   const INDENT="   ";
+   space:=""; lastPath:=L();
+   foreach fullname in (TheVault.BaseClass.contents.sort()){
+      path:=fullname.split("."); name:=path.pop();
+      if(lastPath==path) out.writeln(space,name);
+      else{
+	 n:=0; p:=path.copy();
+	 try{
+	    while(path[0]==lastPath[0])
+	        { n+=1; path.pop(0); lastPath.pop(0); }
+	 }catch{}
+	 space=INDENT*n;
+	 foreach dir in (path){ out.writeln(space,dir); space+=INDENT; }
+	 out.writeln(space,name);
+	 lastPath=p;
+      }
+   }
+   ""	// so startup has something to display
+}