rem 　把下面的d:\改成你要搜索的路径就可以了
@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in ('dir/ad/s/b d:\^|findstr /e /i "update"') do (
    set "str=%%i"
    set "a=!str:update=update?!"
    for /f "delims=?" %%j in ("!a!") do (
        set "b=%%j"
        if not defined !b! (
        	set !b!=000 
        set "c=!b:~,-6!"
        echo !c! )
    )      
)
pause
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