Using OAuth for a simple command line script to access Google's data

Using OAuth for a simple command line script to access Google's data I needed to write a simple script to pull some data from a Google website. Since I was grabbing some private data, I needed authorize myself to do that. I found it much more work than I expected, not because it's hard, but because there wasn't much documentation there to guide me - I had to puzzle out what path to go based on lot

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GoogleサービスにOAuth2で認証してアクセスするコマンドラインツールの書き方