Solved

How Does One Extract Files Combined With XCOPY?

Posted on 2007-11-19
3
653 Views
Last Modified: 2012-05-05
We have discovered a user who was combining a ZIP file with a JPG using the old DOS command XCOPY.  The finished product appears on the surface to be the original ZIP file, but it is large enough to contain the combined ZIP file as well.  Once you have combined two files into one with XCOPY, how do you go about splitting them in two again?

Thanks!
0
Comment
Question by:smconsult
3 Comments
 
LVL 4

Accepted Solution

by:
mb042 earned 250 total points
Comment Utility
You need a DOS splitting utility. (Google DOS split util). You will need to know the original size of the ZIP file and manually split the file at that point. Once you combine two files with a copy command, there is no way for any of the utilities to automatticly know where to split the file.
0
 
LVL 17

Assisted Solution

by:Shanmuga Sundaram
Shanmuga Sundaram earned 250 total points
Comment Utility
pkzip and pkunzip also can do.
0

Featured Post

Top 6 Sources for Identifying Threat Actor TTPs

Understanding your enemy is essential. These six sources will help you identify the most popular threat actor tactics, techniques, and procedures (TTPs).

Join & Write a Comment

The following is a collection of cases for strange behaviour when using advanced techniques in DOS batch files. You should have some basic experience in batch "programming", as I'm assuming some knowledge and not further explain the basics. For some…
YESTERDAY YESTERDAY.BAT is inspired by a previous article I wrote entitled: TOMORROW.BAT (http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/MS_DOS/A_4196-Advanced-Batch-File-Programming-TOMORROW-BAT.html). The crux of this batch f…
Sending a Secure fax is easy with eFax Corporate (http://www.enterprise.efax.com). First, Just open a new email message.  In the To field, type your recipient's fax number @efaxsend.com. You can even send a secure international fax — just include t…
When you create an app prototype with Adobe XD, you can insert system screens -- sharing or Control Center, for example -- with just a few clicks. This video shows you how. You can take the full course on Experts Exchange at http://bit.ly/XDcourse.

763 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

10 Experts available now in Live!

Get 1:1 Help Now