I could never get WinMerge to work in any sort of an efficient manner, possibly because some of the files I was comparing were huge.

Margaret Wilson
University of Kansas Libraries
________________________________________
From: MarcEdit support in technical and instructional matters [[log in to unmask]] on behalf of Grucan, Sally [[log in to unmask]]
Sent: Thursday, September 29, 2011 1:54 PM
To: [log in to unmask]
Subject: Re: [MARCEDIT-L] Comparing files

I use WinMerge but in a large file scrolling down takes a long time.  If you have sharp eyes (you can make the pane wider) you may be able to discern a difference in pattern between the two columns on the left, which are visual representations of where you are in the files; moving the bar moves you to that place in the files.  But is there a better way to use WinMerge or something else?

--Sally

Sally Grucan, Head of Cataloging
Wesleyan University
Olin Library                         Phone: (860) 685-3845
252 Church St.                    Email: [log in to unmask]
Middletown CT 06459-0108    Fax:    (860) 685-2661

-----Original Message-----
From: MarcEdit support in technical and instructional matters [mailto:[log in to unmask]] On Behalf Of Cab Vinton
Sent: Thursday, September 29, 2011 2:05 PM
To: [log in to unmask]
Subject: Comparing files

I'm looking for the easiest way of isolating the unique records in two large-ish files of MARC records (about 22k).

I'm anticipating that about 90% of the records will be duplicated, but need to identify which are unique to each file.

Is there a way to use MarcEdit for this? Or perhaps another utility is better suited?

Thanks for any help!

Cab Vinton, Director
Sanbornton Public Library
Sanbornton, NH

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