Here's an excerpt from fink:
rm -rf hyperref-6.72-1
mkdir -p /sw/src/hyperref-6.72-1
unzip -o /sw/src/hyperref-6.72.zip
Archive: /sw/src/hyperref-6.72.zip
End-of-central-directory signature not found. Either this file is not
a zipfile, or it constitutes one disk of a multi-part archive. In the
latter case the central directory and zipfile comment will be found on
the last disk(s) of this archive.
unzip: can't find zipfile directory in one of /sw/src/hyperref-6.72.zip or
/sw/src/hyperref-6.72.zip.zip, and can't find /sw/src/hyperref-6.72.zip.ZIP, period.
### unzip failed, exit code 9
Unpacking the tarball hyperref-6.72.zip of package hyperref-6.72-1 failed.
The most likely cause for this is a corrupted or incomplete download. Do you
want to delete the tarball and download it again? [Y/n]
rm -f /sw/src/hyperref-6.72.zip
curl -f -L -s -S -O
http://prdownloads.sourceforge.net/fink/hyperref-6.72.zip
unzip -o /sw/src/hyperref-6.72.zip
Archive: /sw/src/hyperref-6.72.zip
End-of-central-directory signature not found. Either this file is not
a zipfile, or it constitutes one disk of a multi-part archive. In the
latter case the central directory and zipfile comment will be found on
the last disk(s) of this archive.
unzip: can't find zipfile directory in one of /sw/src/hyperref-6.72.zip or
/sw/src/hyperref-6.72.zip.zip, and can't find /sw/src/hyperref-6.72.zip.ZIP, period.
### unzip failed, exit code 9
Unpacking the tarball hyperref-6.72.zip of package hyperref-6.72-1 failed.
The most likely cause for this is a corrupted or incomplete download. Do you
want to delete the tarball and download it again? [Y/n]
rm -f /sw/src/hyperref-6.72.zip
curl -f -L -s -S -O
http://prdownloads.sourceforge.net/fink/hyperref-6.72.zip
unzip -o /sw/src/hyperref-6.72.zip
Archive: /sw/src/hyperref-6.72.zip
End-of-central-directory signature not found. Either this file is not
a zipfile, or it constitutes one disk of a multi-part archive. In the
latter case the central directory and zipfile comment will be found on
the last disk(s) of this archive.
unzip: can't find zipfile directory in one of /sw/src/hyperref-6.72.zip or
/sw/src/hyperref-6.72.zip.zip, and can't find /sw/src/hyperref-6.72.zip.ZIP, period.
### unzip failed, exit code 9
Unpacking the tarball hyperref-6.72.zip of package hyperref-6.72-1 failed.
The most likely cause for this is a corrupted or incomplete download. Do you
want to delete the tarball and download it again? [y/N]