/Shell/Bash/Flutter cocoapods not installed

Flutter cocoapods not installed

Flutter doctor - CocoaPods installed but not working

curl -L https://get.rvm.io | bash -s stable
rvm install ruby-2.6
rvm use ruby-2.6.5
rvm --default use 2.6.5
sudo gem update
sudo gem install ffi
brew install libffi
sudo gem install cocoapods
pod setup

Source: stackoverflow.com

CocoaPods not installed

$ sudo gem install cocoapods

Source: guides.cocoapods.org

Flutter cocoapods not installed

If with sudo its failing,First download and install brew 
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
step 1 brew install cocoapods
step 2 sudo arch -x86_64 gem install ffi
step 3 arch -x86_64 pod install

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