#############################
 output for 'h5ls -w80 -r -d tloop.h5'
#############################
/tloop.h5/g1             Group
/tloop.h5/g1/g1.1        Group
/tloop.h5/g1/g1.1/g2.1   Group, same as /tloop.h5/g1
/tloop.h5/g2             Group, same as /tloop.h5/g1/g1.1