After a user types a drawing number in a text box the following needs to take place:
Verify the Drawing Revision(SPT to AS400 database)

Find the Drawing in the proper release folder

Copy Drawing Files to Temporary Folder

Run a batch file that takes each Drawing file Opens it up in it's native application and then through script plots the Drawing out to a postscript file.

Automate Acrobat Distiller to take the .ps files and make them .pdf files.

Erase .bak, .ps, and .log Files

Automate Acrobat to take all the pdf files and make them one pdf file.

I can get all these pieces to work when involked one at a time. How do I get these steps to work in a liner fashion without overrunnig each other.