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@rtrouton

rtrouton/gist:5852198

Last active Dec 18, 2015
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Using the JAVA_INSTALL_ON_DEMAND environment variable to force Macs running 10.7.x or 10.8.x to reinstall the latest Java update.
#!/bin/bash
# Original version of this script posted by
# Michael Kuron <michael-lists@PHYSCIP.UNI-STUTTGART.DE>
# Posted to the MacEnterprise list on June 22, 2013:
# http://tinyurl.com/m8fp4ou
#
# This script works on Mac OS X 10.7.0 and higher
#
# Determine OS version
osvers=$(sw_vers -productVersion | awk -F. '{print $2}')
if [[ ${osvers} -ge 7 ]]; then
# Checks the current Java version and displays the results
java -version
# Set the JAVA_INSTALL_ON_DEMAND
# environment variable. This variable
# overrides the install check and forces
# the softwareupdate tool to install Apple's
# latest Java 6 update
export JAVA_INSTALL_ON_DEMAND=1
# Uses the softwareupdate tool to check
# for and get the name of the latest Apple
# Java update for 10.7.x and 10.8.x
pkgname=$(softwareupdate --list | grep '*' | grep -i java | awk '{print $2}')
# Installs the latest available Apple
# Java update for 10.7.x and 10.8.x
softwareupdate --install $pkgname
# Checks the current Java version and displays the results
java -version
else
echo "Not supported on this version of Mac OS X"
fi
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