cp -f /usr/jdk-7u79-linux-x64.tar.gz /usr/java
tomcatPath=/usr/apache-tomcat-8.5.20
if [ -d "$tomcatPath" ]; then
jdkPath=/usr/java/jdk1.7.0_79
if [ -d "$jdkPath" ]; then
tar -xzvf /usr/apache-tomcat-8.5.20.tar.gz -C /usr
tar -xzvf /usr/java/jdk-7u79-linux-x64.tar.gz -C /usr/java
awk 'END{print NR}' $myfile
grep -an "export JAVA_HOME=/usr/java/" $myfile |cut -d: -f1
grep -an "export PATH=" $myfile |cut -d: -f1
startLine=$(grep -an "export JAVA_HOME=/usr/java/" $myfile |cut -d: -f1)
endLine=$(grep -an "export PATH=" $myfile |cut -d: -f1)
sed -i $startLine','$endLine'd' $myfile
awk 'END{print NR}' $myfile
echo "export JAVA_HOME=/usr/java/jdk1.7.0_79" >> /etc/profile
echo "export JRE_HOME=/usr/java/jdk1.7.0_79/jre" >> /etc/profile
echo "export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib" >> /etc/profile
echo "export PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin" >> /etc/profile
cp -f /usr/server.xml /usr/apache-tomcat-8.5.20/conf