Viên ngọc phương Đông

#!/bin/bash

YELLOW_COLOR=$'\033[33;1m'
RED_COLOR=$'\033[31;1m'
DEFAULT_COLOR=$'\033[0m'

echo Free Space:
df -h | grep 'Filesystem\|/dev/root\|/dev/sda'
echo

echo Largest Server Directories:
du -sh /backup /home /var /usr /root | grep G | sort -rh
echo

files_larger_than_500_mb=$(find / -maxdepth 7 -type f -size +500M -exec du -hsxc {} + | sort -rh)

if [ -n "$files_larger_than_500_mb" ]; then

echo Files Larger Than 500MB:
 echo "$files_larger_than_500_mb"
 echo

trash_directories_larger_than_1gb=$(find /home/ -maxdepth 2 -type d -name '.trash' -exec du -hsxc {} + | sort -rh | grep G)

if [ -n "$trash_directories_larger_than_1gb" ]; then

echo Trash Directories Larger Than 1 GB:
 echo "$trash_directories_larger_than_1gb"
 echo

echo Would you like to an indepth review of the server disk usage to be performed?
printf "%s--WARNING--This can take more than 1 hour, depending on the size of the server.--WARNING--%s\\n" "$RED_COLOR" "$DEFAULT_COLOR"
read -e -r -p $'\e[36mPerform Indepth Review? (y/n):\e[0m ' indepth_review;

while :; do

if [[ "$indepth_review" != 'y' && "$indepth_review" != 'n' ]]; then

printf "%sIncorrect Value!%s\\n" "$RED_COLOR" "$DEFAULT_COLOR"
  read -e -r -p $'\e[36mPerform Indepth Review? (y/n):\e[0m ' indepth_review;
  indepth_review="${indepth_review,,}"
 
 else

break

fi
done

if [ "$indepth_review" = 'y' ]; then

printf "%sPerforming Indepth Review...%s\\n" "$YELLOW_COLOR" "$DEFAULT_COLOR"

echo Largest Directories in the Home of the Server$Calculating only the Files in the Current Directory$:
 find /home/ -maxdepth 10 -type d | while read -r dir; do 
   
  size=$(find "$dir" -maxdepth 1 -type f -exec du -hsxc {} + | sort -rh | head -n 1 | awk '{print$1}'); 
  echo "$size $dir"

done | sort -rh | head -n 20 
 echo

echo Size of the Largest Directories in the Home of the Server$Tree Structure$:
 find /home/ -maxdepth 10 -type d | while read -r dir; do

size=$(du -sh "$dir" | cut -d ' ' -f 1 ); 
  echo "$size"

done | sort -rh | head -n 20