PDF Splitter

Code:
for file in *.pdf; do
    echo "Optimizing $file..."
    gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook \
    -dNOPAUSE -dQUIET -dBATCH -sOutputFile="temp_$file" "$file" && \
    mv "temp_$file" "$file"
done