The yaz-marcdump utility[1], included in the YAZ toolkit[2], should work and I've found it to be blindingly fast.

-Tod

[1] http://www.indexdata.com/yaz/doc/yaz-marcdump.html
[2] http://www.indexdata.com/yaz

Tod Olson <[log in to unmask]>
Systems Librarian
University of Chicago Library

On Jan 26, 2010, at 2:34 AM, Marc Chantreux wrote:

> On Mon, Jan 25, 2010 at 11:48:47PM +0530, Saiful Amin wrote:
>> I also recommend using MARC::Batch. Attached is a simple script I wrote for
>> myself.
> 
> I think MARC::Batch would be very slow to split lot of records. As 0x1d
> is your record separator, a perl oneliner can do the job: 
> 
> http://www.tinybox.net/2009/10/12/perl-onliners-vim-and-iso2709/
> 
> perl -0x1d -wnE '
>    # new file every   1000  records 
>    $. == 1 || ! ($. % 1000 )
> 	# with record number padded with 5 chars 
> 	and open F,sprintf ">records_%.5d.mrc",$.;
>    # actually prints the record 
>    print F
> ' bigfile.mrc
> 
> if you file is UTF-8 encoded, use -CSD flags
> 
> hope it helps
> regards
> 
> 
> -- 
> Marc Chantreux
> BibLibre, expert en logiciels libres pour l'info-doc
> http://biblibre.com