1*a00f81f1Sespie# Recursion on variables. 2*a00f81f1SespieA=$B 3*a00f81f1SespieB=$C 4*a00f81f1SespieC=$A 5*a00f81f1Sespie 6*a00f81f1Sespiea: 7*a00f81f1Sespie echo $A 8*a00f81f1Sespie 9*a00f81f1Sespieb: 10*a00f81f1Sespie echo "business as usual" 11