sh 在Linux下永久设置环境变量的脚本（Ubuntu 16.04及更高版本）。以sudo身份运行。

Posted 2021-05-07

#!/bin/bash
# run under sudo
# script for permanently setting environment variables, found here:
# https://stackoverflow.com/questions/13046624/how-to-permanently-export-a-variable-in-linux

add_env_var()
{
  KEY=$1
  VALUE=$2
  echo "export "$KEY"="$VALUE>>~/.bashrc
  echo $KEY"="$VALUE>>~/.profile
  echo $KEY"="$VALUE>>/etc/environment
  source ~/.bashrc
  source ~/.profile
}

if [ "$(id -u)" != "0" ]; then
	echo "Sorry, you are not sudo."
	exit 1
fi

add_env_var() $1 $2

exit