The first non-space word in the header will be used as the file name.
splitFASTA(fasta.file, output.dir = "./")
A splitted fasta files by its headers.
A path to a FASTA file.
A path to save the output results. Default is current working directory.
data.table::fread is not built for reading in chunks. The developers expect skip and nrow arguments to be in a small number. Large number slows the reading a bit.