[CentOS] gpg command works fine from login shell, not from cron script

Mon Oct 19 20:34:18 UTC 2009
Sean Carolan <scarolan at gmail.com>

> Typically this type of problem is caused by environment variables
> that are set in a login shell, but are missing or different than
> those set for jobs running under cron.

You nailed it, Bill.  Running the cron from root's personal crontab
worked fine.  Must have been environment variable related.