command -v pdftk > /dev/null \
                || errlog "command pdftk not found" \
                || return $?
-       command -v zbarimg > /dev/null \
-               || errlog "command zbarimg not found" \
+       command -v pdfgrep > /dev/null \
+               || errlog "command pdfgrep not found" \
                || return $?
        command -v exiftool > /dev/null \
                || errlog "command exiftool not found" \
                || errlog "missing pdf" \
                || return $?
 
-       trenn=$(zbarimg --raw --quiet $pdf)
+       trenn=$(pdfgrep "47CUTPAGE11" $pdf)
 
-       [ "$trenn" == "Trennblatt" ] \
+       [ "$trenn" == "47CUTPAGE11" ] \
                && echo "true" \
                && return 0