import sys, string
x=''
y = ''.join(sorted(list(string.printable)))[5:]
fil = open(sys.argv[1], 'r').read()
for i in range(len(y)):
    if y[i] not in x:
        print(str(fil.count(y[i])) + chr(i+32), end='')
    x += y[i]

output:

32766 35937!39303"42873#46656$50652%54870&59319'63999(68919)74088*79506+85182,91125-97335.103821/1105920117648112499821326513140607414887551574646166374717561481851939195111:205377;216000<226980=238326>250047?262143@274623A287496B300762C314430D328509E342999F357909G373248H389016I405222J421875K438975L456531M474552N493038O511998P531441Q551367R571785S592704T614124U636054V658503W681471X704967Y729000Z753570[778686\804357]830583^857373_884736`912672a941190b970299c999999d1030299e1061208f1092726g1124862h1157625i1191015j1225041k1259712l1295028m1330998n1367631o1404927p1442895q1481544r1520874s1560894t1601613u1643031v1685157w1728000x1771560y1815846z1860867{1906623|1953123}2000376~