If you cannot use the script, you can access the files directly via the : FTP URL: ftp://ftp.ncbi.nlm.nih.gov/blast/db/
For large datasets like the nr database, NCBI supports the client for significantly faster transfers. Download - NCBI - NIH ncbi nr database download ftp
It automatically checks for newer versions by comparing timestamps and can verify download integrity using MD5 checksums. If you cannot use the script, you can
Standard command-line tools like wget or curl are effective: wget "ftp://ftp.ncbi.nlm.nih.gov/blast/db/nr.*.tar.gz" Use code with caution. 3. High-Speed Download via Aspera If you cannot use the script