require"lfs"

--[[Desc：在B路径Ｄ文件中下　搜寻Ａ路径下的没用到的C类文件；
　　　　　 并且将没用到的B类文件名称打印出来； 
         设置好路径拖到lua自带编辑器中即可运行之;]]

--目标所在路径(A)(eg:png所在路径)

PNG_FILE_PATH = "E:/Resource/images"

--目标所寻路径(B)(eg:lua所在路径)

LUA_FILE_PATH = "E:/Resource/scripts"

--搜寻目标后缀config(C)

SEARCH_TARGET = "%.png"

--查找目标后缀config(D)

FIND_TARGET = "%.lua"

local pairs = pairs

function findindir (path, wefind, r_table, intofolder, fileType)

    for file in lfs.dir(path) do

        if file ~= "." and file ~= ".." then

            local f = path..'/'..file

            local fname = file;

            if string.find(f, wefind) ~= nil then

                if fileType == "png" then

                    table.insert(r_table, fname)

                    --print(fname);

                elseif fileType == "lua" then

                    table.insert(r_table, f)

                    --print(f);

                end

            end

            local attr = lfs.attributes (f)

            assert (type(attr) == "table")

            if attr.mode == "directory" and intofolder then

                findindir (f, wefind, r_table, intofolder, fileType)

            else

                -- for name, value in pairs(attr) do

                --     print (name, value)

                -- end

            end

        end

    end

end

function isInIt( file,name )

    for line in file:lines() do

        if isContain(line , name) then

            return true;

        end

    end

    return false;

end

function isContain( line , str )

    return string.find(line , str);

end

----[[

local pngFilePath = PNG_FILE_PATH

local input_table_png = {}

findindir(pngFilePath, SEARCH_TARGET , input_table_png, true, "png")    -- "%.png$"

print(#input_table_png);

--]]

----[[

local luaFilePath = LUA_FILE_PATH

local input_table_lua = {}

findindir(luaFilePath, FIND_TARGET , input_table_lua, true, "lua")  -- "%.lua$"

print(#input_table_lua);

--]]

----[[

local count = ;

for _,imageName in pairs(input_table_png) do

    local flag =

    for _,fileName in pairs(input_table_lua) do

        local fileInfo = io.open(fileName,"r")

        if isInIt(fileInfo , imageName) then

            flag = ;

            break;

        end

    end

    if flag ==  then

        print("No Exist Image Name Is:   "..imageName)

        count = count + ;

    end

end

print("The File Count is:"..count);

----]]