crsh

Crappy Rust SHell. Basic shell written in Rust, not meant to actually be used or taken seriously.

Features

Functional and performant prompt
Command launching, piping, logical grouping, and lists
Basic builtin commands cd, which, exit
Non-interactive mode
Persistent prompt history
Parameter and subshell substitution (partially complete)

Todo

Full POSIX compliant scripting functionality
- Fully functional IO redirection
- Setting local and environment variables
- Complete subshell implementation
- Complete parameter expansion/substitution
- Globbing and pattern matching
- Implement asynchronous task management
Flesh out builtins
Set/unset shell options
Implement stack based compiler/interpreter
New scripting language (alongside POSIX scripting)
Custom prompt styling
Loading configuration files (ie. .profile, .*rc, .*env)
Autocompletion and hinting
Syntax highlighting
Proper Windows support

Goals

High performance
Fully featured and customisable prompt
POSIX compliant scripting as well as a modern scripting language
Multiplatform compatibility (Linux, macOS, Windows)
Easy and portable configuration