As opções -A
e -R
usam uma lista separada por vírgulas.
por exemplo.
wget -r -R -l1 --no-parent -A ".dat,.haa,.hea-,.hea--,.xws,.atr,.atr-" https://www.physionet.org/physiobank/database/nsrdb/
Da página do manual
-A acclist --accept acclist
-R rejlist --reject rejlist
Specify comma-separated lists of file name suffixes or patterns to accept or reject. Note that if any of the wildcard characters, *, ?, [ or ], appear in an element of acclist or rejlist, it will be treated as a pattern, rather than a suffix.