Read a property from gradle.properties with a bash script
#!/usr/bin/env bash
GRADLE_PROPERTIES_FILE=gradle.properties
function getProperty {
PROP_KEY=$1
PROP_VALUE=`cat $GRADLE_PROPERTIES_FILE | grep "$PROP_KEY" | cut -d'=' -f2`
echo $PROP_VALUE
}
GRAILS_VERSION=$(getProperty "grailsVersion")
echo $GRAILS_VERSION