Shell Programming and Scripting

find . -maxdepth 1 -type d | while read folder

 do
    cd "$folder" &&
        echo "$folder has $(ls -1R | wc -l) files" &&
    cd ..
 done

for folder in `ls -1S`; do 
    cd "$folder" &&
        NUMFILES=$(ls -1R | wc -l)
        FOLDERLIST='  $folder contains $NUMFILES files.'
    echo $FOLDERLIST >> ../filelist.txt && 
    cd ..
done

ls -1S | while read folder; do
...

cd $folder 2> /dev/null

cd $folder 2> /dev/null || continue

function my_function
{
    for file_or_directory in *;do
        [[ -d "${file_or_directory}" ]] && {
            cd "${file_or_directory}"
            count_files_in_any_way_since_there_are_many_ways
            cd "${OLDPWD}"
            my_function
        }
    done
    return 0
}

for file_or_directory in *;do
[[ -d "${file_or_directory}" ]] && {
    cd "${file_or_directory}"
    echo "${file_or_directory} has $(ls -1R | wc -l) files"
    cd "${OLDPWD}"
}
done

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