-b shoud b

-b shoud b
/home/biosoftware/relate/scripts/SampleBranchLengths/SampleBranchLengths.sh \
        -i example/example \
        -o /home/biosoftware/clues/example/relate_resample1 \
        -m 1e-8 --coal example/example.coal \
        --format b \
        --num_samples 100 \
        --first_bp 500000 --last_bp 500000
