ibitize: take an integer argument, return a string using ibi binary prefixes

ibitize.py

#!/usr/bin/python

# ibitize: take an integer argument, return a string using ibi binary prefixes
# echo '32*2^30'|bc
# 34359738368
# echo 'l(34359738368)/l(2)' |bc -l
# 35.00000000000000000036
# ibitize 34359738368
# 32.0 Gi

import sys
from math import log

def ibitize(x):
    b = int(log(x,1024))
    return (x/(1024**b),['','Ki','Mi','Gi','Ti','Pi','Ei','Zi','Yi'][b])

x = float(sys.argv[1])
print('{0[0]} {0[1]}'.format(ibitize(x)))