Mac安装chromedriver和geckodriver

DY@MacBook-Pro bin$brew install chromedriver

Error: No available formula with the name "chromedriver"

It was migrated from homebrew/core to homebrew/cask.

You can access it again by running:

  brew tap homebrew/cask

And then you can install it by running:

  brew cask install chromedriver

DY@MacBook-Pro bin$brew cask install chromedriver

==> Tapping homebrew/cask

Cloning into '/usr/local/Homebrew/Library/Taps/homebrew/homebrew-cask'...

remote: Enumerating objects: 4175, done.

remote: Counting objects: 100% (4175/4175), done.

remote: Compressing objects: 100% (4153/4153), done.

remote: Total 4175 (delta 27), reused 760 (delta 19), pack-reused 0

Receiving objects: 100% (4175/4175), 1.33 MiB | 816.00 KiB/s, done.

Resolving deltas: 100% (27/27), done.

Tapped 1 command and 4077 casks (4,185 files, 4.2MB).

==> Satisfying dependencies

==> Downloading https://chromedriver.storage.googleapis.com/2.44/chromedriver_ma

######################################################################## 100.0%

==> Verifying SHA-256 checksum for Cask 'chromedriver'.

==> Installing Cask chromedriver

==> Creating Caskroom at /usr/local/Caskroom

==> We'll set permissions properly so we won't need sudo in the future.

Password:

Sorry, try again.

Password:

==> Linking Binary 'chromedriver' to '/usr/local/bin/chromedriver'.

🍺  chromedriver was successfully installed!

DY@MacBook-Pro bin$brew install geckodriver

Updating Homebrew...

==> Auto-updated Homebrew!

Updated 1 tap (homebrew/core).

==> Updated Formulae

libbladerf

==> Downloading https://homebrew.bintray.com/bottles/geckodriver-0.23.0.high_sierra.bottle.tar.gz

######################################################################## 100.0%

==> Pouring geckodriver-0.23.0.high_sierra.bottle.tar.gz

🍺  /usr/local/Cellar/geckodriver/0.23.0: 7 files, 6.7MB