Provided by: moreutils_0.62-1_amd64
ifne - Run command if the standard input is not empty
ifne [-n] command
ifne runs the following command if and only if the standard input is not empty.
-n Reverse operation. Run the command if the standard input is empty. Note that if the standard input is not empty, it is passed through ifne in this case.
find . -name core | ifne mail -s "Core files found" root
Copyright 2008 by Javier Merino <email@example.com> Licensed under the GNU GPL