countlines.py

"""
Counts / compares the number of lines in two files. 
Usage: 
python countlines.py a.txt b.txt

OR

import countlines
fname0 = 'a.txt' 
fname1 = 'b.txt'
print len0(fname0),len1(fname1)
"""
import sys
fname0 = sys.argv[1]
fname1 = sys.argv[2]
def len0(fname0):
    with open(fname0) as f0:
        for i0, l0 in enumerate(f0):
            pass
    return i0 + 1

def len1(fname1):
    with open(fname1) as f1:
        for i1, l1 in enumerate(f1):
            pass
    return i1 + 1
if __name__ == "__main__":
    #fname0 = 'a.txt' 
    #fname1 = 'b.txt'
    print len0(fname0),len1(fname1)

made public