Yes, you can edit that file.
Yes, it will overwrite an entries with the same name.
The other entries should not matter, they are only settings to connect to an ODBC source. If the source does not exist they cannot connect to it.
In a batch file you put in this line:
start regedit /s F:\folder\filename.REG
Now, this will work in 98, but it might not in XP or 2000 if the policy for regedit is in effect.
Jon
There is much pleasure to be gained from useless knowledge. (Bertrand Russell)