function to query NCBI database servers using the "rentrex" library
avecRentrez( DB = "nucleotide", max.nr.recs = 20000, chunkSize = 100, accOnly = TRUE )
DB
: databasemax.nr.recs
: maximun number of records to retrieve, there are limitations in the fns and server sideschunkSize
: number of records to retrieve at onceaccOnly
: boolean indicator for getting only accession codes or whole recordsUseful links