File od= new File(d+"/novelIntron");
int side= -1000;
SplicedBedReader sr= new SplicedBedReader(annof);
GenomicRegionsBuilder gbin= sr.getAllIntrons();
GenomicRegionsModifier gmin= new GenomicRegionsModifier(gbin);
GenomicRegionsBuilder gbinside= gmin.getExtendedRegions(side, side);
GenomicRegionsBuilder gbex= sr.getAllExons();
GenomicRegionsModifier gmex= new GenomicRegionsModifier(gbex);
GenomicRegionsBuilder gbexside= gmex.getExtendedRegions(500, 500);
File[] fs= d.listFiles();