hfxiang

@echo off
mkdir .\xin>nul 2>^&1
setlocal EnableDelayedExpansion
for %%i in (*.*) do (
        set "len10=%%~ni"
        set "len10=!len10:~10!"
        if not defined len10 move "%%~i" ".\xin\%%~i"
)
endlocal