wp-cli quick install/setup

wp-cli-my-vps-install.sh

mkdir -p ~/bin

wget https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar -O ~/bin/wp
chmod +x ~/bin/wp

wget https://raw.githubusercontent.com/wp-cli/wp-cli/master/utils/wp-completion.bash -O ~/.wp-completion.bash
if [[ ! -s "$HOME/.bash_profile" && -s "$HOME/.profile" ]] ; then
  profile_file="$HOME/.profile"
else
  profile_file="$HOME/.bash_profile"
fi

if ! grep -q 'wp-completion.bash' "${profile_file}" ; then
  echo "Editing ${profile_file} to source ~/.wp-completion.bash"
  echo "source \"$HOME/.wp-completion.bash\"" >> "${profile_file}"
fi