Dear list members, I have created seven objects, from a to g, so that ls() gives me [1] "a" "b" "c" "d" "e" "f" "g" how can I automatically change their names in "a1" "b1" "c1" "d1" "e1" "f1" "g1" It seems simple, ut it is driving me mad. Thank you very much for your help. Luca Laghi