Busca.sh

clear

a=mesa
b=telefono
c=llaves
d=raton
e=bocinas
cad=no

while [ $cad = no ]
do
	echo "Introduce la cadena a buscar: "
	read cad

	if [ $cad = si ]
	then
		break
	fi

	for k in $a $b $c $d $e
	do
		if [ $k = $cad ]
		then
			echo "si existe"
		fi
	done
	cad=no
done