#!/bin/bash
if [ -z $1 ];then
  echo "Uso :$(basename $0) parent-directory"
  exit 1
fi
 
all="$(find $1 -depth)"
 
for name in ${all}; do
  new_name="$(dirname "${name}")/$(basename "${name}" | tr '[a-z]' '[A-Z]')"
  echo "${name} was renamed to ${new_name}" 
  if [ "${name}" != "${new_name}" ]; then
     mv -T "${name}" "${new_name}";
     echo "${name} renamed to ${new_name}"  
  fi
 
done
exit 0