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Scheme environment

This will be a simple Scheme implementation switcher.

How to install

$ curl https://raw.githubusercontent.com/ktakashi/scheme-env/master/bin/install.sh | bash

After the installation you need to add the following to your shell resource file:

PATH=~/.scheme-env/bin:$PATH

How to use

The basic command id scheme-env if you want to run the default implementation then use the following comment

$ scheme-env run

Installing implementations

To install implementations, you can run the following command

$ scheme-env install implementation

Currently the followings are the supported implementation

  • Chibi Scheme (chibi-scheme)
  • Sagittarius Scheme (sagittarius)
  • Gauche (gauche)
  • Foment (foment)
  • Chicken (chicken-scheme)
  • Larceny (larceny)
  • Chez Scheme (chez)

You can also specify the version by adding @ and version number. For example:

$ scheme-env install [email protected]

For Chicken Scheme

The installation process of Chicken Scheme creates 3 aliases, csi, csc and chicken-scheme followed by @{version} suffix. These are the standard entry points for Chicken Scheme.

macOS

On macOS, there are following prerequisites:

  • Installing Xcode (For Chicken Scheme)
  • Installing XQuartz (For Chez Scheme)

Switch implementations

To swich default implementation, you can run the following command

$ scheme-env switch implementation

If this command isn't run, then sagitarius is set to default.

Run specific implementation

To run an installed implementation, you can run the following command

$ scheme-env run implementation

Acknowledgement

  • Shiro Kawai for the installation script of Gauche