1*a9bdd616SJilles Tjoelker 2*a9bdd616SJilles Tjoelkerf() { 3*a9bdd616SJilles Tjoelker local x 4*a9bdd616SJilles Tjoelker readonly x=2 5*a9bdd616SJilles Tjoelker} 6*a9bdd616SJilles Tjoelkerunset x 7*a9bdd616SJilles Tjoelkerf 8*a9bdd616SJilles Tjoelkerx=4 9*a9bdd616SJilles Tjoelker[ "$x" = 4 ] 10