awk -f /data/images/proton/make-unstranded-sampled-mm9-tracks-from-reads1.awk reads.txt > make-unstranded-sampled-mm9-tracks.sh
source make-unstranded-sampled-mm9-tracks.sh 
awk -f /data/images/proton/orderTracks.awk SStrackDb.txt > trackDb.txt