How can I start the post-build steps in the CodeWarrior IDE?

In order to start a batch file after build, you just need to specify the name of the .bat file in the Command for post-build step.

Note that the current directory is the Build location specified in the project properties C/C++ Build panel. Therefore, you need to adjust the path to retrieve the .bat file relative to this location.

For example, consider that:

Then, the post-build command is ..\postb.bat.