fift  

Rust implementation of the Fift esoteric language.

Try it online: https://play.fift.rs

Installation

Compile from source:

curl https://sh.rustup.rs -sSf | sh
cargo install --locked fift-cli

Or install as a binary:

curl -fsSL https://fift.rs/install | bash

Usage

Usage: fift [<source_files...>] [-n] [-i] [-I <include>] [-L <lib>]

A simple Fift interpreter. Type `bye` to quie, or `words` to get a list of all commands

Positional Arguments:
  source_files      a list of source files to execute (stdin will be used if
                    empty)

Options:
  -n, --bare        do not preload standard preamble file `Fift.fif`
  -i, --interactive force interactive mode even if explicit source file names
                    are indicated
  -I, --include     sets color-separated library source include path. If not
                    indicated, $FIFTPATH is used instead
  -L, --lib         sets an explicit path to the library source file. If not
                    indicated, a default one will be used
  --help            display usage information
  -v, --version     print version information and exit
  -s                script mode: use first argument as a fift source file and
                    import remaining arguments as $n

Contributing

We welcome contributions to the project! If you notice any issues or errors, feel free to open an issue or submit a pull request.

License

• The fift and fift-proc library crates are licensed under either of

  • Apache License, Version 2.0 (/LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0)
  • MIT license (/LICENSE-MIT or https://opensource.org/licenses/MIT)

  at your option.

• The fift-cli and fift-libs crates are licensed under

  • GNU Lesser General Public License v2.1 (/cli/LICENSE or https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)