On Aug 19, 2011, at 11:12 AM, Vasco Cadavez wrote: > Hello, > I have a dataset with an Id columns like: > 4/3003 > 55/333 > 66/22 > I want to put leading zeros to get: > 00000004/3003 > 000000055/333 > 0000000066/22 > > How can I solve this? ?sprintf ?formatC -- David Winsemius, MD West Hartford, CT