Bash script to extract version information from APK and IPA files

getAppVersion.sh

#/bin/bash
# 
# Extract the app version number from an APK/IPA file (on Linux)
#
# Required tools: aapt, plistutil, xmllint
#
# Usage:
# ------
# getAppVersion.sh android pathToApk
# getAppVersion.sh ios pathToIpa AppName.app

if [ ${1} = 'android' ]; then
  versionName=$(aapt dump badging ${2} | grep -o 'versionName=[^,]*'| cut -d'=' -f 2 | cut -d ' ' -f 1 | tr -d \')
  versionCode=$(aapt dump badging ${2} | grep -o 'versionCode=[^,]*'| cut -d'=' -f 2 | cut -d ' ' -f 1 | tr -d \')
elif [ ${1} = 'ios' ]; then
  yes | unzip ${2}
  versionName=$(plistutil -i Payload/${3}/Info.plist | xmllint --xpath "//key[text()='CFBundleShortVersionString']/following-sibling::string[1]/text()" -)
  versionCode=$(plistutil -i Payload/${3}/Info.plist | xmllint --xpath "//key[text()='CFBundleVersion']/following-sibling::string[1]/text()" -)
fi
echo $versionName $versionCode