Get your copy of Corey Rueckheim's PACK/UNPACK utility here!

Say you have NR1999 in c:\sierra\nr1999 and want to change part of layout.dat. Here's what to do:

1. Go to the layout directory:
       CD   C:\SIERRA\NR1999\LAYOUT
2. Make a backup copy of layout.dat:
       COPY LAYOUT.DAT   LAYOUT.OLD
3. Make a new, temporary directory and make that one the current:
       MD TEMP
       CD TEMP
4. Copy layout.dat to the temp directory:
       COPY  ../LAYOUT.DAT
5. Unpack layout.dat:
       (path_to_unpack.exe)\UNPACK  LAYOUT.DAT
6. Replace one or more files by overwriting existing files. You cannot add new files, unless you really know the techniques.
7. Create a new layout.dat:
       (path_to_pack.exe)\PACK  LAYOUT.PCK
   Note the filename here: ".PCK" and not ".DAT"!
8. Move layout.dat back to its original directory, overwriting the old version:
       MOVE  LAYOUT.DAT  ..
9. Clean up: delete all remaining files, go back to the layout directory and remove the temporary directory:
       DEL  *.*
       CD  ..
       RD  TEMP

Done.

What if the patch doesn't work or you don't like it?

1. Go back to the layout directory:
       CD  C:\SIERRA\NR1999\LAYOUT
2. Delete the new layout.dat (AFTER checking you still have the original!):
       DEL  LAYOUT.DAT
3. Rename the original layout.dat:
       REN  LAYOUT.OLD  LAYOUT.DAT

And you're back to where you were at the top of this page! <g>