def showHelp()

def makeRatio(
    yd yd,
    sref sref,
    hn hn,
    hd hd
)

string aname07 =  'LHCB_2013_I1218996';

string aname13 =  'LHCB_2015_I1396331';

int nybins =  5;

arg13 =  sys.argv[1];

arg07 =  sys.argv[2];

list ratiodef =  [('d05', 'd01', 'd02'), ('d06', 'd02', 'd03'), ('d07', 'd03', 'd05'), ('d08', 'd04', 'd04')];

list pre13 =  [re.compile(r'/RAW/%s/%s-x01-y0[1-5]' % (aname13, ds[1])) for ds in ratiodef];

list pre07 =  [re.compile(r'/RAW/%s/%s-x01-y0[1-5]' % (aname07, ds[2])) for ds in ratiodef];

list ref13 =  [re.compile(r'/REF/%s/%s-x01-y0[1-5]' % (aname13, ds[0])) for ds in ratiodef];

d13 =  yoda.read(arg13, patterns=pre13);

d07 =  yoda.read(arg07, patterns=pre07);

ys =  yoda.read(arg13);

srefs =  yoda.read('%s.yoda' % aname13, patterns=ref13);

string xyset =  '-x01-y0%d' % i;

string rk13 =  u'/REF/%s/%s%s' % (aname13, rdef[0], xyset);

string dk13 =  u'/RAW/%s/%s%s' % (aname13, rdef[1], xyset);

string dk07 =  u'/RAW/%s/%s%s' % (aname07, rdef[2], xyset);

bname =  os.path.splitext(arg13)[0];

string rFile =  '%s+ratios.yoda' % bname;