Stocker les valeur des variables dans un ficher txt

@echo off

:charger
for /f "tokens=1-3 delims=/" %%a in (config.txt) do set var1=%%a
if %var1%== set var1=%var1%
for /f "tokens=1-3 delims=/" %%a in (config.txt) do set var1=%%a
if %var1%== set var2=%var2%
for /f "tokens=1-3 delims=/" %%a in (config.txt) do set var1=%%a
if %var1%== set var3=%var3%
for /f "tokens=1-3 delims=/" %%a in (config.txt) do set var1=%%a
if %var1%== set var4=%var4%
for /f "tokens=1-3 delims=/" %%a in (config.txt) do set var1=%%a
if %var1%== set var5=%var5%

if not defined var1 goto :creer
if not defined var2 goto :creer
if not defined var3 goto :creer
if not defined var4 goto :creer
if not defined var5 goto :creer
goto :programe

:creer
set /p var1=
set /p var2=
set /p var3=
set /p var4=
set /p var5=

:programe
.........
.........
.........
.........
.........

:sauvegarde
echo.%var1%>config.txt
echo.%var2%>config.txt
echo.%var3%>config.txt
echo.%var4%>config.txt
echo.%var5%>config.txt

exit