Цикл переименования файлов

@echo off
for /f "tokens=1* delims=[]" %%a in ('dir /a-d/b "*.txt"^|find /n /v ""') do echo ren "%%b" "new%%b_%%a"
pause

@echo off
set cnt=0
set "aw=2123451"
set "we=1123"
set "_date=%date:~6,4%%date:~3,2%%date:~0,2%"
for %%I in (*.txt) do (
    set "fl=%~dp0%%~nxI"
    call :re
)
pause&exit
 
:re
set /a cnt+=1
set cnt=00%cnt%
set cnt=%cnt:~-2%
ren "%fl%" "gt%aw%%we%3245%_date%12332112%cnt%.txt"
exit /b

@echo off
set /P kpkv="Enter KPKV: "
set /P kfk="Enter KFK: "
set _date=%date:~8,2%%date:~3,2%%date:~0,2%
for /f "tokens=1* delims=[]" %%a in ('dir /a-d/b "*.p7m"^|find /n /v ""') do ren "%%b" "vf%kpkv%%kfk%0000%_date%00000000%%a.xls.p7s.p7m"
for /f "tokens=1* delims=[]" %%a in ('dir /a-d/b "*.p7m"^|find /n /v ""') do echo vf%kpkv%%kfk%0000%_date%00000000%%a.xls.p7s.p7m
pause

@echo off
set /P kpkv="Enter KPKV: "
set /P kfk="Enter KFK: "
set _date=%date:~8,2%%date:~3,2%%date:~0,2%
for /f "tokens=1* delims=[]" %%a in ('dir /a-d/b "*.p7m"^|find /n /v ""') do ren "%%b" "vf%kpkv%%kfk%0000%_date%00000000%%a.xls.p7s.p7m"
for /f "tokens=1* delims=[]" %%a in ('dir /a-d/b "*.p7m"^|find /n /v ""') do echo vf%kpkv%%kfk%0000%_date%00000000%%a.xls.p7s.p7m
pause