A simple bash script to fix permissions recursively (755 for directories and 644 for files) on a set of directories.

fix-dir-permissions.sh

#!/bin/bash
directory[0]="/Users/erick/folder_1"
#directory[1]="/Users/erick/folder_2"
#directory[2]="/Users/erick/folder_3"
#directory[3]="/Users/erick/folder_4"

export IFS=$'\n'

for x in ${directory[@]}
do
  for directory in $(find $x -type d)
  do
    chmod 755 $directory
    xattr -c $directory
  done

  for file in $(find $x -type f)
  do
    chmod 644 $file
    xattr -c $file
  done
done