Info.plist

	</array>
	<key>CFBundleExecutable</key>
	<string>firefox</string>
	<key>CFBundleGetInfoString</key>
	<string>Firefox 13.0</string>
	<key>CFBundleIconFile</key>
	<string>firefox</string>
	<key>CFBundleIdentifier</key>
	<string>org.mozilla.firefox</string>
	<key>CFBundleInfoDictionaryVersion</key>
	<string>6.0</string>
	<key>CFBundleName</key>
	<string>Firefox</string>
	<key>CFBundlePackageType</key>
	<string>APPL</string>
	<key>CFBundleShortVersionString</key>
	<string>13.0</string>
	<key>CFBundleSignature</key>
	<string>MOZB</string>
	<key>CFBundleURLTypes</key>
	<array>

shellscriptcmd

APPVER=`cat /path/to/Info.plist | awk '/CFBundleShortVersionString/{getline; print}'`