OS X (Apple)

awk -v new="3.1.0.5" -F"[<>]" '/CFBundleVersion/ {getline;current=$3;exit}END{if(new>current){
print "NOT OK"
hdiutil mount AdobeAIR.dmg
#sudo cp -R "/Volumes/AdobeAIR of the AdobeAIR/ of the AdobeAIR.app" /Applicatio#ns
}else{
print "OK"
}}' Info.plist

awk -v new="3.1.0.5" -F"[<>]" '/CFBundleVersion/ {getline;current=$3;exit}END{if(new>current){result="NOT OK"}else{result="OK"}}' Info.plist
echo $result

$ hdiutil mount AdobeAIR.dmg

$ sudo cp -R "/Volumes/Adobe AIR of the Adobe AIR/ of the AdobeAIR.app" /Applications

result=$(awk -v new="3.1.0.5" -F"[<>]" '/CFBundleVersion/ {getline;current=$3;exit}END{if(new>current){print "NOT OK"}else{print "OK"}}' Info.plist)
echo $result