Ander Raso Vázquez AnderRasoVazquez

## checkparam-1.sh
#!/bin/sh

while getopts ab:c: opt
do
case $opt in
        a)
            flga=1
            ;;
        b)
            flgb=1
	#!/bin/sh

	while getopts ab:c: opt
	do
	case $opt in
	a)
	flga=1
	;;
	b)
	flgb=1