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Manage Crystal source code. More information:

  • Run a Crystal file:

crystal {{path/to/}}

  • Compile a file and all dependencies to a single executable:

crystal build {{path/to/}}

  • Read Crystal source code from the command line or stdin, and execute it:

crystal eval '{{code}}'

  • Generate API documentation from inline docstrings in Crystal files:

crystal docs

  • Compile and run a Crystal specification suite:

crystal spec

  • Start a local interactive server for testing the language:

crystal play

  • Create a project directory for a Crystal application:

crystal init app {{application_name}}

  • Display all help options:

crystal help