[CentOS] more kickstart - saving %pre decisions for %post

Hey again folks,

How can I save answers to questions in %pre, for use in %post?

I'm assuming (though have not yet tried) that variables won't live that long.

Could I save them off to /tmp in a file, and retrieve them?

e.g.

%pre
echo "VARNAME=$VARNAME" >> /tmp/varfile


%post
grep ^VARNAME= /tmp/varile


Or some such ...

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