Auto close Extension Manager from Command Line?

I'm putting together a simple shell script to build a tool so that our Continuous Integraion system can build this tool.  The scirpt works but I can't figure out how to close Extension Manager once the job is done...

Shell Script:

#!/usr/bin/env bash

app="/Applications/Adobe/Adobe Extension Manager CS5.5/Adobe Extension Manager CS5.5.app/Contents/MacOS/Adobe Extension Manager CS5.5"

filename=MyToolsName

srcMxiPath="$filename.mxi"

outMxpPath="$PWD/$filename".mxp

echo "Outputting Adobe Extention Here: $outMxpPath"

"$app" -package mxi="$srcMxiPath" mxp="$outMxpPath" timeout=30