Get the latest nodejs/npm binaries and extract and create activate script (Linux 64bit)

getnodejs.sh

#!/bin/bash

getversion() {
  curl https://nodejs.org/en/ -o index.html
  export version=$(cat index.html | grep Current | tail -n 1 | awk -F' v' '{ print $2 }' | awk -F' Current' '{ print $1 }')
}

cleandownload() {
  rm index.html
  rm node.tar.xz
}

install() {
  getversion

  echo $version

  curl -o node.tar.xz https://nodejs.org/dist/v${version}/node-v${version}-linux-x64.tar.xz

  tar xvfJ node.tar.xz

  nodedir=node-v${version}-linux-x64
  rm -r -f node
  ln -s ${nodedir} node

cat > activate-nodejs.sh <<EOF
#!/bin/bash
export OLDPATH=$PATH
deactivate() {
  export PATH=$OLDPATH
  unset OLDPATH
}
export OLDPATH=$PATH
export PATH=$PWD/node/bin:$PATH
EOF

  chmod +x activate-nodejs.sh
}

install