improvements for tab complete

util/shell_complete.go

@@ -59,7 +59,16 @@ func ShellCompleter(line string, vt ast.VarTable, ft ast.FuncTable) []string {
         }
     } else {
         for _, f := range fobjs {
-            compSource = append(compSource, dir + "/" + f.Name())
+            fileTok := f.Name()
+            if dir != "." {
+                fileTok = dir + "/" + fileTok
+            }
+
+            if f.IsDir() {
+                fileTok = fileTok + "/"
+            }
+
+            compSource = append(compSource, fileTok)
         }
     }