use fileinput to read a specific line

[Fredrik Lundh]

Martin Marcher wrote:

>> i need to read line 4 from a header file
> 
> http://docs.python.org/lib/module-linecache.html

I guess you missed the "using linecache will crash my computer due to 
memory loading, because i am working on 2000 files each is 8mb" part.

</F>