shell utils fixes

2019-04-08 09:31:13 -04:00
parent fba1546213
commit a16510e254
3 changed files with 10 additions and 8 deletions
--- a/openos/du.lua
+++ b/openos/du.lua
@@ -85,10 +85,12 @@ local function visitor(rpath)

  if fs.isDirectory(spath) then
    local list_result = fs.list(spath)
-    for list_item in list_result do
-      local vtotal, vdirs = visitor(addTrailingSlash(rpath) .. list_item)
-      subtotal = subtotal + vtotal
-      dirs = dirs + vdirs
+    if list_result then
+      for list_item in list_result do
+        local vtotal, vdirs = visitor(addTrailingSlash(rpath) .. list_item)
+        subtotal = subtotal + vtotal
+        dirs = dirs + vdirs
+      end
    end

    if dirs == 0 then -- no child dirs