parser

cnvrt.py

#!/usr/bin/env python

import sys

k = 0
try:
    buff = ''
    while True:
        buff += sys.stdin.read(1)
        if buff.endswith('\n'):
            try:
                x, y = buff.expandtabs().strip().split()
            except ValueError:
                break
            if '$' == x[0]:
                a = int(x[1:],16)
            else:
                a = int(x)
            b = float(y)
            print '{:03d}\t{}'.format(a, b)
            buff = ''
            k = k + 1
except KeyboardInterrupt:
   sys.stdout.flush()
   pass
print >> sys.stderr, "Number of lines:", k