Compute checksums of files in each folder recursivlty

checksums.sh

find $(pwd) -type d | while read DIR
do
    cd $DIR    
    FILES=$(find -maxdepth 1 -type f -not -name '*SUMS' -printf '"%f"\n' | sort)
    FILE_COUNT=$(echo $FILES | wc -c)
    if [ -z "$FILES" ]
    then
        rm -f *SUMS
    else
        echo $FILES | xargs md5sum > MD5SUMS
        echo $FILES | xargs sha1sum > SHA1SUMS
    fi
done