apache/jena — pull request #15 by kinow (2014-12-29 00:34:27+00:00)
Title: JENA-594 change rdfcat to print usage when empty input and to not ignore when redirecting stdin

Pull request for JENA-594. Tests pass, and will add further comments in the [JIRA issue](https://issues.apache.org/jira/browse/JENA-594).

Hope that helps,
Bruno