Cleanup unused wordpress uploads recursively by suffix (filename), like "150x150"

cleanup-unused-wordpress-uploads.sh

#!/bin/bash

# Usage
# 1 - Create a folder into any folder (like uploads, or year, or month) and put this script in there.
# 2 - Run "bash cleanup-unused-wordpress-uploads.sh"

currentPath=$(pwd)
echo "Input the crop size pattern"
echo ">> Sample: '150x150' "
read sizePattern

if [ -z $sizePattern ]
then
    echo "You need to input the crop size!"
else
    echo "Awesome! We're looking at the uploads and creating log file"
    find ../ -name "*.jpg" | grep $sizePattern > $sizePattern.txt
    echo "  "
    echo "Do you want to cleanup the images with pattern informed? You can see the log txt file before. [y/N] (Default: N) "
    read cleanUpNow
    echo $cleanUpNow
    if [ "$cleanUpNow" == "y" ];
    then
      while IFS= read -r line
      do
        echo "Removing image: $line"
        rm "$line"
      done < "$sizePattern.txt"
    fi
fi