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System Interfaces

The standard library provides the following interfaces for interacting with the operating system in the core.sys package:

• void open(core.io.Url file)

  Open an Url using the default program that is associated with the file in the operating system. Throws a SystemError on failure.

• void execute(core.io.Url program, core.Array<core.Str> params)

  Execute the program program with the parameters in params. If program is a relative url that consists of a single part, then the function searches for the program in the PATH variable.

• void execute(core.io.Url program, core.Array<core.Str> params, core.Maybe<core.io.Url> workingDirectory)

  Execute the program program with the parameters in params. Start the program in the specified working directory if specified. If program is a relative url that consists of a single part, then the function searches for the program in the PATH variable.

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