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You pipe it as standard input to a command that asks you lots of yes/no questions on the command line to save on typing yes repeatedly. A lot of tools have the

by Macha 4y ago

You pipe it as standard input to a command that asks you lots of yes/no questions on the command line to save on typing yes repeatedly. A lot of tools have their own command line flag to do this, e.g. apt-get has -y or --assume-yes

Jiro 4y ago
Wouldn't you normally need to use "expect" or equivalent for this?
- Macha 4y ago
  If you wanted to vary based on the input prompt, or if the application got confused. expect is basically the next step up from yes for this use.