[OS X TeX] MacTeX 2010 corrupted?

[Kirk Lowery]

I have twice downloaded
http://mirror.ctan.org/systems/mac/mactex/MacTeX.mpkg.zip

I try to unarchive it with unzip. I get an error along the lines of "archive
doesn't have a proper end; perhaps it's only part of a complete archive?"

Has anyone else had this problem?

TIA!

Kirk
--
$DO || ! $DO ; try
try: command not found
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