Re: Reading portions of large files

[Klaus Berndl]

On 10 Jan 2003, Benjamin Riefenstahl wrote:



>  Brendan Halpin <brendan.halpin@ul.ie> writes:
> > Use head and tail to split the file into the header-to-be-edited and
> > the-rest. Edit the header-to-be-edited in emacs, save, then
> > concatenated the-rest onto it.
> > 
> > Assuming all editing is within the first 2000 bytes (not tested):
> > 
> > head -c2000 bigfile > header-to-be-edited
> > tail -c+2001 bigfile > the-rest
> > (edit header-to-be-edited, save)
> > cat header-to-be-edited the-rest > new-big-file
>  
>  This assumes a) Unix, b) that you have the space and time ;-) to deal
>  with the large temporary files.

Assumption a) is not necessary or correct because there is the cygwin-suite
for Windows available - IMHO a must for using Emacs on Windows-systems ;-)
Cygwin contains tail and head!

Klaus


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Klaus Berndl                    mailto: klaus.berndl@sdm.de
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