Example Run Script build phase for Xcode 5 to invoke objc-identifierconstants automatically for all storyboards present in a project

gistfile1.sh

# try to find the built debug version of the script
# this is for normal builds
script="${BUILT_PRODUCTS_DIR}/../Debug/objc-identifierconstants"

# if nonexistent, try to find the archived version
if ! test -x ${script}; then
    script="${INSTALL_ROOT}/usr/local/bin/objc-identifierconstants"
fi

${script} -6 -o ${PROJECT_DIR}/DerivedSources -f ${PROJECT_DIR}