script_list_files_number_in_subdirectories.sh

#!/bin/bash

# A quick script to list only the number of files in all the
# subdirectories of the given ($1) directory. Adding a second argument,
# "large", will make the script print only subdirectories that contain
# more than 1 file

DIR="$1"
# Declare an associative array to contain all the directories, with
# their relative files' count
declare -A DIRARRAY

# First loop to selectively add directories to the array
for d in $(find $DIR -mindepth 1 -maxdepth 1 -type d); do
	n=$(find "$d" -type f -print | wc -l)
	if [ "$2" == "large" ]; then
		# if we want to know if subdirectories have more than 1 file
		if [ $n -ge 2 ]; then
			DIRARRAY["${d}"]+="${n}"
		fi
	else
		# if not "large" argument was given, print all subdirectories
		DIRARRAY["${d}"]+="${n}"
	fi
done

# Second loop to print every directory and sort them
for k in "${!DIRARRAY[@]}"; do
	echo "Directory $k has ${DIRARRAY["$k"]} files in it"
done | sort

exit 0