PATH变量配置

sed -i '$a export PATH=$PATH:"/root/bin"' ~/.bashrc
sed -i '$a export PATH=$PATH:"/root/gn"' ~/.bashrc
sed -i '$a export PATH=$PATH:"/root/ninja"' ~/.bashrc
sed -i '$a export PATH=$PATH:"/root/llvm/bin"' ~/.bashrc
sed -i '$a export PATH=$PATH:"/root/hc-gen"' ~/.bashrc
sed -i '$a export PATH=$PATH:"/root/gcc_riscv32/bin"' ~/.bashrc
sed -i '$a export PATH=$PATH:"/root/.local/bin"' ~/.bashrc
source ~/.bashrc