ghfd_download_file: Downloads a single file from Bovespa ftp
Description
This function will take as input a ftp addresss, the name of the downloaded file in the local drive,
and it will download the corresponding file. Returns TRUE if it worked and FALSE otherwise.
# NOT RUN {my.ftp <- 'ftp://ftp.bmf.com.br/MarketData/Bovespa-Opcoes/NEG_OPCOES_20151229.zip'out.file <- 'temp.zip'# }# NOT RUN {ghfd_download_file(my.ftp = my.ftp, out.file=out.file)
# }