## Not run:
# # all Y. pestis files
# ftp<- "ftp.ncbi.nih.gov/genomes/Bacteria/Yersinia_pestis_CO92_uid57621"
# x<-ftpList(ftp)
# x
# #all genome directories
# ftp<-"ftp.ncbi.nih.gov/genomes/Bacteria"
# x <- ftpList(ftp)
# ## End(Not run)
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