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crystal

Tool for managing Crystal source code.

More information.

Run a Crystal file:

crystal {path/to/file.cr}

Compile a file and all dependencies to a single executable:

crystal build {path/to/file.cr}

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

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