#! /usr/bin/bash function ampel() { case ${1} in 1) echo "Ampelphase rot" ;; 2) echo "Ampelphase rot/gelb" ;; 3) echo "Ampelphase grĂ¼n" ;; 4) echo "Ampelphase gelb" ;; esac } for i in 1 2 3 4; do ampel "${i}" done