rat check make target

[szha]

Description

rat check make target make ratcheck. resolves #14936

Checklist

Essentials

Please feel free to remove inapplicable items for your PR.

• Changes are complete (i.e. I finished coding on this PR)
• To the my best knowledge, examples are either not affected by this change, or have been fixed to be compatible with this change

Changes

• rat check make target make ratcheck

Comments

• tested locally on osx

[roywei]

Thanks for the fix. I have verified this make target works:

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Apache Creadur Rat 0.13-SNAPSHOT ................... SUCCESS [ 29.237 s]
[INFO] Apache Creadur Rat::API ............................ SUCCESS [  5.060 s]
[INFO] Apache Creadur Rat::Core ........................... SUCCESS [  3.027 s]
[INFO] Apache Creadur Rat::Plugin4Maven ................... SUCCESS [ 27.000 s]
[INFO] Apache Creadur Rat::Tasks4Ant ...................... SUCCESS [ 14.520 s]
[INFO] Apache Creadur Rat::Command Line 0.13-SNAPSHOT ..... SUCCESS [  5.845 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:27 min
[INFO] Finished at: 2019-06-03T11:50:15-07:00
[INFO] ------------------------------------------------------------------------
exec 5>&1; \
	RAT_JAR=build/rat/apache-rat/target/apache-rat-0.13-SNAPSHOT.jar; \
	OUTPUT=; \
    ERROR_MESSAGE="Printing headers for text files without a valid license header"; \
    echo "-------Process The Output-------"; \
    if [[ UTPUT =~ RROR_MESSAGE ]]; then \
        echo "ERROR: RAT Check detected files with unknown licenses. Please fix and run test again!"; \
        exit 1; \
    else \
        echo "SUCCESS: There are no files with an Unknown License."; \
    fi
-------Process The Output-------
SUCCESS: There are no files with an Unknown License