shorted gene names after email from A. Stolfi
s/.v[0-9]*...[nonSLND0-9-]*-[0-9]//g
s/KH2013://g
genePredToBed ci3.gp stdout | bedToExons stdin stdout | sort -u | bedSort stdin stdout | bedOverlapMerge /dev/stdin /dev/stdout | bedBetween stdin /dev/stdout -a -s ci3.sizes | bedSort stdin ci3.segments.bed