how to read the last line of a huge file???

[Aahz]

In article <mailman.1412.1296196161.6505.python-list at python.org>,
John O'Hagan <research at johnohagan.com> wrote:
>
>file.seek takes an optional 'whence' argument which is 2 for the end, so you 
>can just work back from there till you hit the first newline that has anything 
>after it:
>
>
>def lastline(filename):
>    offset = 0
>    line = ''
>    with open(filename) as f:
>        while True:
>            offset -= 1
>            f.seek(offset, 2)
>            nextline = f.next()
>            if nextline == '\n' and line.strip():
>                return line
>            else:
>                line = nextline

It's a Bad Idea to mix direct file operations with the iterator API.
Use f.read() instead of f.next().
-- 
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

"All problems in computer science can be solved by another level of     
indirection."  --Butler Lampson