According to http://sc.tamu.edu/help/general/unix/redirection.html it looks like the I should be using this syntax:
duplicity ... 2>&1| grep -v "DeprecationWarning" -- Deprecation Warnings when running under Python 2.6 https://bugs.launchpad.net/bugs/363877 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
