Error messages and warnings go to stderr but you are only catching stdout. Try './test > errors.log 2>&1'. Sven
YES : this is the solution ! But can you explain the "2>&1" !!!!!! what this ? Thanks !!!!! :)) David -- +------------------------------+ | David CABATON alias Obelix | +------------------------------+ | | | cabaton_david yahoo fr | | | | Student in computer sciences | | | | GPG keys: 0x6BBB38E3 | | | +------------------------------+