It is generally the case that the .md5 file needs to be in the same directory 
as the downloaded file(s), and you probably need to do the md5sum call with 
your console session being in that directory as the current directory.

Also, if there are spaces in the <AOO file> part you need to put the whole 
thing in quotes.  I.e.,

     >md5sum -c "<AOO file>.tar.gz.md5"

This should be the exact name of the MD5 file.  That file will list the name of 
each file that it has an md5 checksum for.  This article provides a good 
explanation: <https://en.wikipedia.org/wiki/Md5sum>.  If you look at the md5 
file you will see that it names the file that it holds the hash for.  (It 
should have an "*" in front of that file name to indicate that it is a binary 
file, as the downloaded file is.

PS: I don't know what you downloaded as a .tar.gz.  That would usually be the 
source code, not an installer for an Apache OpenOffice binary installer 
(Windows) or package (OSX and Linux).  Please say more.

 - Dennis


-----Original Message-----
From: Heidi Lasher-Oakes [mailto:hlash...@gmail.com] 
Sent: Saturday, June 27, 2015 09:45
To: users@openoffice.apache.org
Subject: problem solved

Thanks to all who replied with suggestions last night.  It turned out that
my problem was related to the command

md5sum -c <AOO file>.tar.gz.md5

which is the specific md5sum command suggested on Apache's "How to verify
the download <http://www.openoffice.org/download/checksums.html>" page.  I
had never used this command before.
It was returning a specific error, "no properly formatted MD5 checksum
lines found".  After I posted my problem report, I ran this checksum
command instead

md5sum <AOO file>.tar.gz

I verified the checksum manually by comparing the result with the md5sum
provided on the download page.  After that, I installed the file
successfully.

After doing a little research, I found more detailed
<http://www.codejacked.com/using-md5sum-to-validate-the-integrity-of-downloaded-files/>
information
<http://www.cyberciti.biz/tips/howto-verify-integrity-of-the-tar-balls-with-md5sum-command.html>
about how to verify the md5sum using md5sum -c.  I still haven't managed to
get it to work.  I have an alternative, so that's okay, but I do wish I
understood.  Anyway, I thought someone else here might be interested in
having the info, so here it is.


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