readlines with line number support?

[Arnaud Delobelle]

Nikhil <mnikhil at gmail.com> writes:

> Hi,
>
> I am reading a file with readlines method of the filepointer object
> returned by the open function. Along with reading the lines, I also
> need to know which line number of the file is read in the loop
> everytime.
> I am sure, the line should have the property/attribute which will say
> the line number of the file.
>
> If there is none, do I have to end up using the counter in the loop?
>
> fp = open("file", "r")
> lineno = 0
> for line in fp.readlines():
> 	print "line number: " + lineno + ": " + line.rstrip()
>         lineno = lineno + 1

The standard Python way is using enumerate()

for i, line in enumerate(fp):
    print "line number: " + lineno + ": " + line.rstrip()

-- 
Arnaud