/usr/bin/datacopy: invalid option -- '-'
usage: datacopy [-t | -a | -c owner] [-b batchsize] [-p packetsize] [-T textsize] [-v] [-d] [-E]
       [-S server/username/password/database/table]
       [-D server/username/password/database/table]
       -t : truncate target table before loading data
       -a : append data to target table
       -c : create table owner.table before loading data
       -b : alter the number of records in each bcp batch
       (larger batch size = faster)
       -p : alter the default TDS packet size from the default
       (larger packet size = faster)
       -T : Text and image size
       -E : keep identity values
       -v : produce verbose output (timings etc.)
       -d : produce TDS DUMP log (serious debug only!)