File Reading , Reverse Direction

[Peter Hansen]

Kannan Vijayan wrote:
> 
> A modification of Peter Hansen's code:
> 
> i = -4096
> file.seek(i, 2)
> lines = file.readlines()
> while len(lines) <= 2:
>     i -= 4096
>     file.seek(i, 2)
>     lines = file.readlines()
> lines = lines[-2:]

Just be sure to catch the case where you try to seek() to
an offset before the start of the file: it throws an
IOError.  And the original poster was probably counting
on not having files with fewer than two lines... :)

-- 
----------------------
Peter Hansen, P.Eng.
peter at engcorp.com