#!/bin/bash
#
ls . | while read N_FILE
    do
    echo "$N_FILE" | tr [A-Z] [a-z] | while read N_MINUS
         do
         if [ "$N_FILE" != "$N_MINUS" ]; then
         echo -n "Alterando o arquivo $N_FILE para "
         echo -e "\{FONTE}33[1;33m" "$N_MINUS"
         echo -en "\{FONTE}33[0;39m"
         mv "$N_FILE" "$N_MINUS"
         fi
         done
    done