Warning: wildcards not supported in HTTP.
--2018-12-15 16:29:47--  http://stellar.mit.edu/S/course/21A/sp12/21A.419[J]J/index.html
Resolving stellar.mit.edu (stellar.mit.edu)... 18.9.47.77
Connecting to stellar.mit.edu (stellar.mit.edu)|18.9.47.77|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: '/mit/course-search/web_scripts/search/urls/stellar/sp12/21a.419%5Bj%5Dj.html'

     0K ....                                                    611K=0.007s

2018-12-15 16:29:48 (611 KB/s) - '/mit/course-search/web_scripts/search/urls/stellar/sp12/21a.419%5Bj%5Dj.html' saved [4384]