Linux sed
##在文件最后面追加一行 使用$a sed -i '$aJAVA_HOME="/home/ning/.jdks/openjdk-16.0.2"' /home/ning/.bashrc sed -i '$aPATH=$PATH:$JAVA_HOME/bin' /home/ning/.bashrc tail /home/ning/.bashrc source /home/ning/.bashrc
##在文件最后面追加一行 使用$a sed -i '$aJAVA_HOME="/home/ning/.jdks/openjdk-16.0.2"' /home/ning/.bashrc sed -i '$aPATH=$PATH:$JAVA_HOME/bin' /home/ning/.bashrc tail /home/ning/.bashrc source /home/ning/.bashrc