ea_adobe_acrobat_dc_versioncheck.sh

ea_adobe_acrobat_dc_versioncheck.sh

#!/bin/bash
# T = Local app version is equal to provided current version
# N = Local app version is newer than provided current version
# F = Local app version is less than provided current version
# N/A = Local app was not found at provided path
APP_PATH="/Applications/Adobe Acrobat DC/Adobe Acrobat.app"
APP_VERSION_KEY="CFBundleShortVersionString"
APP_CURRENT_VERSION="15.010.20056"

compareVersions () {
    if [[ "$1" == "$2" ]]; then
        return 0
    fi
    local IFS=.
    local i currentVersion=($1) localVersion=($2)
    for ((i=${#currentVersion[@]}; i<${#localVersion[@]}; i++)); do
        currentVersion[i]=0
    done
    for ((i=0; i<${#currentVersion[@]}; i++)); do
        if [[ -z ${localVersion[i]} ]]; then
            localVersion[i]=0
        fi
        if ((10#${currentVersion[i]} > 10#${localVersion[i]})); then
            return 1
        fi
        if ((10#${currentVersion[i]} < 10#${localVersion[i]})); then
            return 2
        fi
    done
    return 0
}

if [ -d "$APP_PATH" ]; then
    localAppVersion=$(defaults read "$APP_PATH/Contents/Info.plist" "$APP_VERSION_KEY")
    compareVersions "$localAppVersion" "$APP_CURRENT_VERSION"
    versionCode="$?"
    case $versionCode in
        0) versionCheckResult='T';;
        1) versionCheckResult='N';;
        2) versionCheckResult='F';;
    esac
else
    versionCheckResult="N/A"
fi
printf "<result>%s</result>" "$versionCheckResult"