docker-function

function docker-enter
{
	if [ -z "$1" ]; then
		RESULT_CONTAINER=$(docker ps | grep -v CONTAINER | awk '{print $1,$2}')
	else
		RESULT_CONTAINER=$(docker ps | grep -v CONTAINER | awk '{print $1,$2}' | grep $1)
	fi
	if [[ ! $RESULT_CONTAINER ]]; then
		echo "Image not found"
		return 1
	fi
	CONTAINER_NB_LINES=$(echo "$RESULT_CONTAINER" | wc -l)
	if [ $CONTAINER_NB_LINES -eq 1 ]; then
		CONTAINER_ID=$(echo $RESULT_CONTAINER | awk '{print $1}')
		docker exec -it $CONTAINER_ID bash
	else
		declare -A OPTIONS
		CPT=0
		while read -r LINE; do
			CPT=$(($CPT+1))
			OPTIONS[$CPT]="$LINE"
			IMAGE_NAME=$(echo $LINE | awk '{print $2}')
			echo "$CPT => $IMAGE_NAME"
		done <<< "$RESULT_CONTAINER"

		echo "Make your choice [1-$CPT] :"
		read USER_CHOICE
		INTEGER_TEST='^[0-9]+$'
		if [[ $USER_CHOICE =~ $INTEGER_TEST ]]; then
			if [ ! $USER_CHOICE -gt $CPT -a ! $USER_CHOICE -lt 1 ]; then
				CONTAINER_ID=$(echo "${OPTIONS[$USER_CHOICE]}" | awk '{print $1}')
				docker exec -it $CONTAINER_ID bash
			else
				echo "Not valid choice => $USER_CHOICE"
			fi
		else
			echo "Not valid choice => $USER_CHOICE"
		fi
	fi
}