import os, sys
x, i = {}, 0
for r, d, f in os.walk(sys.argv[1]):
    for n in f:
        s = os.path.getsize(r+'/'+n)
        e = n.split('.')[-1]
        x[e] = [lambda:(1, s), lambda:(x[e][0]+1, x[e][1]+s)][e in x]()
        i += 1
with open('o', 'w') as o:
    [o.write('%5s%15sB%60s\n' % (k, v[1], '#'*int(v[0]/i*50))) for k, v in x.items()]