everybody, hello how can i do to format a message like that: delta 01 1 delta 01 2 delta 01 3 where "delta 01" is stable and the last value come from a number i've tried with [sprintf delta 01 %i] but the result is "delta 1 1" the same result with [t b a] | | [0( | | | [sprintf delta %s1 %i] any idea? many thanks nico