Suma.sh

echo "Cuantos datos?"
read N
M=$N
while [ $N -gt 0 ]
do
	echo "Intro el dato $N:"
	read A$N
	N=`expr $N - 1`
done

suma=0
#while [ $N -lt $M ]
#do
	X=`expr 0 + A$N`
	echo "X= " $X
	suma=`expr $suma + $X`
#done
echo "SUMA= " $suma