BATCH file doesn't work

[Guest]

Hi i made this Batch file:

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for /F "tokens=1,2,3 delims=/." %%a in ('date/t') do set date2=%%a-%%b-%%c

set path="C:\!!temp\Fotos verkleinern"
set quelle="C:\!!temp\Fotos verkleinern\1"
set ziel="C:\!!temp\Fotos verkleinern\Fotos"
set neu="C:\!!temp\Fotos verkleinern\Fotos\%date2%"

for %%f in (%neu%\*.jpg) do ("C:\!!temp\Fotos verkleinern\nconvert.exe" -rflag orient -resize 50%% 50%% %%f -o %%f.jpg)

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But the nconvert doesn't convert the pictures, which are in the Folder...