split: illegal option -- -
usage: split [-cd] [-l line_count] [-a suffix_length] [file [prefix]]
       split [-cd] -b byte_count[K|k|M|m|G|g] [-a suffix_length] [file [prefix]]
       split [-cd] -n chunk_count [-a suffix_length] [file [prefix]]
       split [-cd] -p pattern [-a suffix_length] [file [prefix]]