field neme used for date and time. Default is "timestamp".
date.format
format used for date and time. Default is "%Y-%m-%dT%H:%M:%S".
file
filename where to print the smet-class object x as an ASCII file. It is equal to "internal", the filename is taken from slot(x,"file") (internally defined in x).
print.all
logical value. If it is FALSE exceeding lines are omitted for a better human readibility.
max.records
maximum printable number of records. Default is 20 and it is activated only if print.all==FALSE. ,