Crush

Crush is an attempt to make a traditional command line shell that is also a modern programming language. It has the features one would expect from a modern programming language like a type system, closures and lexical scoping, but with a syntax geared toward both batch and interactive shell usage.

• The overview is a narrative tour of the features of Crush.
• The language reference documents the syntax and core language features (error handling, background jobs, warnings, pattern matching, and more) in depth.
• The configuration documentation describes how to configure Crush.
• The builtin reference is a searchable page documenting every builtin command and namespace, generated directly from the running binary. (Rendered from docs/builtins.html, which GitHub shows as raw source rather than rendering.)

Building and installing Crush

OS X dependencies

• Install Brew.
• Install openssl brew install openssl
• Install protobuf brew install protobuf
• Install git xcode-select --install

Ubuntu dependencies

• Update apt index sudo apt update
• Install dependencies sudo apt install build-essential git curl pkg-config libssl-dev libdbus-1-dev libsystemd-dev protobuf-compiler-grpc

Install Rust

Install Rust

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

The installer adds ~/.cargo/bin to your path in new shells. To use it in the shell you installed it from, run

. "$HOME/.cargo/env"

Compile and install crush

clone this repository,

git clone https://github.com/liljencrantz/crush.git

and run

cd crush && cargo install --path .

and you should have a working binary to try out in ~/.cargo/bin. That directory should already be in your path, so just write crush to run the shell.

Have fun!