Is there a difference between set in a batch file and cmd.exe?

Question

In my certain circumstance an executable I run with

set VAR1=SOMEVAR && process.exe

Does not work. However, a batch file with

set VAR1=SOMEVAR

works by running it like:

setvar.bat && process.exe

It has been verified process.exe does run in both cases.

The exe I'm using is bacwi.exe and the sourceforge page mentions

"bvlc.bat batch file configures environment variables to use BACnet/IP port 47809 for any subsequent BACnet tools run from that command prompt window, and enables the BBMD Foreign Device Registration."

Are you aware that the first example would include the space between R and && in the value assigned, but the second would not? Given the generality of your question, and your explicit problem description does not work, you're crossong into crystal-ball territory. — Magoo
– Magoo, Commented Jan 16, 2017 at 1:02
No I am not aware of that !! That may be the issue. I will return with the results. — Cody Geisler
– Cody Geisler, Commented Jan 16, 2017 at 1:04
@Magoo you were correct! Please post your comment as an answer and I will mark it as such. — Cody Geisler
– Cody Geisler, Commented Jan 16, 2017 at 1:13

Magoo · Accepted Answer · 2017-01-16 01:16:48Z

Are you aware that the first example would include the space between R and && in the value assigned, but the second would not? Given the generality of your question, and your explicit problem description does not work, you're crossing into crystal-ball territory

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