rails generate
Generate new Rails templates in an existing project. More information: https://guides.rubyonrails.org/command_line.html#bin-rails-generate.
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List all available generators:
rails generate
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Generate a new model named Post with attributes title and body:
rails generate model {{Post}} {{title:string}} {{body:text}}
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Generate a new controller named Posts with actions index, show, new and create:
rails generate controller {{Posts}} {{index}} {{show}} {{new}} {{create}}
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Generate a new migration that adds a category attribute to an existing model called Post:
rails generate migration {{AddCategoryToPost}} {{category:string}}
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Generate a scaffold for a model named Post, predefining the attributes title and body:
rails generate scaffold {{Post}} {{title:string}} {{body:text}}
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