print FH @list

You don't put a comma between the filehandle name and the list you give to print. I've just always thought that was odd, and I go out of my way to point it out to people in Perl classes. I don't have a problem with this while I code, but I still think it's an odd corner of syntax.

Well, it's more of a coincidence than a real fact, but that looks much like indirect object dereferentiation, a la

FH->print(@list)
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and (BTW) it won't be a coincidence any more in Perl6...