add split

init.lua

@@ -239,17 +239,18 @@ end
 --     return match(header, ";%s*boundary=([^\",;]+)")
 -- end
 
--- function string.split(str, delimiter)
---         if str==nil or str=='' or delimiter==nil then
---                 return nil
---         end
+function string.split(str, delimiter)
+        if str==nil or str=='' or delimiter==nil then
+            return nil
+        end
+
+    local result = {}
+    for match in (str..delimiter):gmatch("(.-)"..delimiter) do
+        table.insert(result, match)
+    end
+    return result
+end
 
---     local result = {}
---     for match in (str..delimiter):gmatch("(.-)"..delimiter) do
---         table.insert(result, match)
---     end
---     return result
--- end
 
 function innet(ip, network)
     local star = ''