How do I script a “yes” response for installing programs?

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The ‘yes’ command will echo ‘y’ (or whatever you ask it to) indefinitely. Use it as:

yes | command-that-asks-for-input

or, if a capital ‘Y’ is required:

yes Y | command-that-asks-for-input

If you want to pass ‘N’ you can still use yes:

yes N | command-that-asks-for-input

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