add -u flag to interpreter to turn off stdout buffering
add -u flag to interpreter to turn off stdout buffering

jdost321/hdfs-xrootd-fallback-proj,jdost321/hdfs-xrootd-fallback-proj,jdost321/hdfs-xrootd-fallback-proj,jdost321/hdfs-xrootd-fallback-proj,jdost321/hdfs-xrootd-fallback-proj