Just picking nits, because, you know, Perl does:
The updated code you posted does fail for me also, but works when I add the closing quote in the getprint()call:
my $html = getprint("https://clio.columbia.edu/") or die;
Any chance the "still doesn't work" could be a different error this time, and maybe, expecting failure, you didn't check the error message as closely?
I know, it's a long shot, but, you know, pick all the nits, right?
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