@follows(liverTestesVenn)
@transform( "liver_vs_testes/*.replicated.liver.testes.unique.bed", suffix(".bed"), ".length" )
def exportLiverTestesUniqueLength( infile, outfile ):
    statement = '''cat %(infile)s | awk '{print $3-$2}' > %(outfile)s'''
    P.run()

############################################################
Expire attributes in need of newly persisted database state,
dataset/ETHPy150Open CGATOxford/cgat/obsolete/pipeline_proj007.py/exportLiverTestesUniqueLength--crossover with--dataset/ETHPy150Open zzzeek/sqlalchemy/lib/sqlalchemy/orm/persistence.py/_postfetch