Shell Programming and Scripting

#!/someposixsh

# number of regular files in directory
currdir=$PWD
for dir in $(find .  -type d)
do
        cd $currdir/$dir
        files=$( find .  -maxdepth 1 -type f | wc -l )
        echo "$files $dir"
done | sort -k 1,1nr
echo ____________________________________________________________________
# number of regular files in directory+subtree
cd $currdir
for dir in $(find .  -type d)
do
        cd $currdir/$dir
        files=$( find .  -type f | wc -l )
        echo "$files $dir"
done | sort -k 1,1nr