if [ $# -eq 0 ]

then
lista_actual=*.c

for h in $lista_actual
do

nome_actual=$h
if [ ! -e Backup/$nome_actual_001 ]
then
cp $nome_actual Backup/$nome_actual_001

else

y=Backup/$nome_actual*
i=1
for j in $y
do i=$(($i + 1))
done
x1=$((i/100))
aux=$((x1%100))
x2=$((aux/10))
cp $nome_actual Backup/$nome_actual_$x1$x2$i
fi
done

fi