`gosh` eine einfache Shell, geschrieben in golang.

```
gosh - Go Shell

Built-in commands:
  cd [dir]       - Change directory (cd with no args goes to home)
  pwd           - Print working directory
  echo [args]   - Echo arguments
  exit [code]   - Exit shell with optional status code
  quit [code]   - Quit shell with optional status code
  set VAR=val   - Set environment variable
  export VAR=val - Export environment variable
  help          - Show this help

Features:
  - Argument parsing with quotes and escapes
  - Ctrl+D to exit, Ctrl+C to cancel
  - Command history (up/down arrows)
  - Tab completion for commands and file paths
  - Tilde expansion (~, ~/path)
  - Environment variable expansion ($VAR, ${VAR})

```

## building

```bash
go build ./
```