JDK 环境配置

gistfile1.txt

#!/bin/bash
# Author:  yeho <lj2007331 AT gmail.com>
# BLOG:  https://blog.linuxeye.com
#
# Notes: OneinStack for CentOS/RadHat 5+ Debian 6+ and Ubuntu 12+
#
# Project home page:
#       https://oneinstack.com
#       https://github.com/lj2007331/oneinstack

JDK_PATH=/usr/local/java/jdk1.8.0_121

[ -z "`grep ^'export JAVA_HOME=' /etc/profile`" ] && { [ -z "`grep ^'export PATH=' /etc/profile`" ] && echo  "export JAVA_HOME=$JDK_PATH" >> /etc/profile || sed -i "s@^export PATH=@export JAVA_HOME=$JDK_PATH\nexport PATH=@" /etc/profile; } || sed -i "s@^export JAVA_HOME=.*@export JAVA_HOME=$JDK_PATH@" /etc/profile
[ -z "`grep ^'export CLASSPATH=' /etc/profile`" ] && sed -i "s@export JAVA_HOME=\(.*\)@export JAVA_HOME=\1\nexport CLASSPATH=\$JAVA_HOME/lib/tools.jar:\$JAVA_HOME/lib/dt.jar:\$JAVA_HOME/lib@" /etc/profile
[ -n "`grep ^'export PATH=' /etc/profile`" -a -z "`grep '$JAVA_HOME/bin' /etc/profile`" ] && sed -i "s@^export PATH=\(.*\)@export PATH=\$JAVA_HOME/bin:\1@" /etc/profile
[ -z "`grep ^'export PATH=' /etc/profile | grep '$JAVA_HOME/bin'`" ] && echo 'export PATH=$JAVA_HOME/bin:$PATH' >> /etc/profile
    . /etc/profile
echo "installed successfully!"