Re: Reading portions of large files

[Lee Sau Dan]

>>>>> "Brendan" == Brendan Halpin <brendan.halpin@ul.ie> writes:

    Brendan> Use head and tail to split the file into the
    Brendan> header-to-be-edited and the-rest. Edit the
    Brendan> header-to-be-edited in emacs, save, then concatenated
    Brendan> the-rest onto it.

    Brendan> Assuming all editing is within the first 2000 bytes (not
    Brendan> tested):

    Brendan> head -c2000 bigfile > header-to-be-edited 
    Brendan> tail -c+2001 bigfile > the-rest
    Brendan>  (edit header-to-be-edited, save) 
    Brendan> cat header-to-be-edited the-rest > new-big-file

Why not use 'split'?  :)


-- 
Lee Sau Dan                     李守敦(Big5)                    ~{@nJX6X~}(HZ) 

E-mail: danlee@informatik.uni-freiburg.de
Home page: http://www.informatik.uni-freiburg.de/~danlee