check tools installed via brew on mac

zshrc

function brew_check() {
  brew $2 info $1 | grep -q "Not installed"
}


function brew_install() {
  tool=$(echo $1 | awk '{print $1}')
  cask=$(echo $1 | awk '{print $2}')
  brew_check $tool $cask
  [[ $? -eq 0 ]] && echo -e "Installing $tool..." && brew $cask install $tool
}

function brew_cask_install() {
  brew_check $1
  [[ $? -eq 0 ]] && echo -e "Installing $1..." && brew cask install $1
}


function brew_check_all() {
  tools=('pgcli' 'npm'  'markdown' 'thefuck' 'fish' \
         'httpie' 'jq' 'icdiff' 'htop-osx' 'mtr' 'cmake' \
         'zsh' 'p7zip' 'svn' 'python' 'git' 'launchrocket cask')
  for i in $tools; do
    echo "Checking $i..."
    brew_install $i
  done

}