#!/bin/bash
find ./dayz/1042420/steamapps/workshop/content/221100/ -depth -name "*[A-Z]*" -print0 |\
 xargs -0 -I {} bash -c "mv \"{}\" \"\`echo \"{}\" | sed 's,\(.*\)\/\(.*\),\1\/\L\2,'\`\""
exit 0