Correction. You have to wrap lists of projects with quotes: Thus: ./util/getProjectRootPomParents.sh -updateRootPom -b master -b2 master -pv 4.4.2.AM1-SNAPSHOT -w1 /tmp/jbt.github -p1 "aerogear arquillian base browsersim central discovery forge freemarker hibernate javaee jst livereload openshift server vpe webservices integration-tests" -p2 "build build-sites devdoc download.jboss.org maven-plugins versionwatch" -p3 "artwork ci devdoc product qa website" -- Nick Boldt :: JBoss by Red Hat Productization Lead :: JBoss Tools & Dev Studio http://nick.divbyzero.com