if [ -z ${1} ]; then echo "First argument not set";
else echo "First argument '$1'";
fi
if [ -z ${2} ]; then echo "Second argument not set";
else echo "Second argument '$2'";
fi
if [ -z ${3} ]; then echo "Third argument not set";
else echo "Third argument '$3'";
fi

# vytvorenie tmp suboru

wc -c * 2>/dev/null 1>files.tmp
FILES=0 # celkovy pocet suborov
while read line; do
	FILES=$((FILES+1)) # celkovy pocet suborov + 1
	size=$(echo $line | awk {'print $1'})
	if [[ $size -eq 0 ]]; then
		continue
	fi

	if [[ $size -lt 100 ]]; then
		lt100B="${lt100B}#"			# <100B
	elif [[ $size -lt 1024 ]]; then
		lt1KiB="${lt1KiB}#"			# <1KiB
	elif [[ $size -lt 10240 ]]; then
		lt10KiB="${lt10KiB}#"		# <10KiB
	elif [[ $size -lt 102400 ]]; then
		lt100KiB="${lt100KiB}#" 	# <100KiB
	elif [[ $size -lt 1048576 ]]; then
		lt1MiB="${lt1MiB}#" 		# <1MiB
	elif [[ $size -lt 10485760 ]]; then
		lt10MiB="${lt10MiB}#" 		# <10MiB
	elif [[ $size -lt 104857600 ]]; then
		lt100MiB="${lt100MiB}#" 	# <100MiB
	elif [[ $size -lt 1073741824 ]]; then
		lt1GiB="${lt1GiB}#" 		# <1GiB
	elif [[ $size -ge 1073741824 ]]; then
		ge1GiB="${ge1GiB}#" 		# >=1GiB
	fi
done < files.tmp

DIRS=0
for folder in *
do
   if [ -d "$folder" ];
then
   echo $file
DIRS=$((DIRS+1))
fi
done


echo "Root directory: $PWD"
echo "Directories: $DIRS"
echo "All files: $FILES"
echo "File size histogram:"
echo " <100 B :" $lt100B
echo " <1 KiB : " $lt1KiB
echo " <10 KiB :" $lt10KiB
echo " <100 KiB:" $lt100KiB
echo " <1 MiB :" $lt1MiB
echo " <10 MiB :" $lt10MiB
echo " <100 MiB:" $lt100MiB
echo " <1 GiB :" $lt1GiB
echo " >=1 Gib :" $ge1KiB