D:\temp>echo echo Batch! > batch.cmd

D:\temp>cd..

D:\>c:

C:\WINNT>perl -e "system q(cd /d d:\\temp & batch.cmd)"

D:\temp>echo Batch!
Batch!

C:\WINNT>
[download]

• Use cd /d to to be on the safe side and switch the drive too.
• The cd only applies to the cmd opened by that system (as mentioned by others in this thread.)
• You can also use && instead of the single & for conditional command chaining (think &&/and in Perl.)

Hope that helps

Update: lagging behind... Firefly258 was faster