Запуск из папки файлов по циклу при каждом запуске

@echo off
Setlocal EnableDelayedExpansion
:1
for /f "usebackq" %%a in (`dir /b "%userprofile%\desktop\Batch\1"`) do (
findstr "%%a" "$" 2>nul 1>&2||echo %%a && echo %%a>>$ &&  pause && exit /b 
)
del $
goto 1

@echo off
 
if "%1_"=="_" (START /min CMD.EXE /C %~s0 any_word & EXIT) 
 
set workDisk=I:
set workFolder="I:\_data\scripts\reklama i information\"
set play="c:\Program Files (x86)\DAUM\PotPlayer\PotPlayerMini.exe"
 
%workDisk%
cd %workFolder%
 
set fileFolder=%workFolder%folder\
set file1=%fileFolder%file1.mp4
set file2=%fileFolder%file2.mp4
set file3=%fileFolder%file3.mp4
set file4=%fileFolder%file4.mp4
set file5=%fileFolder%file5.mp4
 
for /F "delims=" %%i in (file.txt) do set var1=%%i
echo from file.txt = "%var1%"
 
if "%var1%"=="1" (
    (echo 2)>file.txt
    echo "2->file.txt"
    %play% %file1%
)
if "%var1%"=="2" (
    (echo 3)>file.txt
    echo "3->file.txt"
    %play% %file2%
)
if "%var1%"=="3" (
    (echo 4)>file.txt
    echo "4->file.txt"
    %play% %file3%
)
if "%var1%"=="4" (
    (echo 5)>file.txt
    echo "5->file.txt"
    %play% %file4%
)
if "%var1%"=="5" (
    (echo 1)>file.txt
    echo "1->file.txt"
    %play% %file5%
)