snowshell

Simple shell for CS class.

You may ask, what does it do? It's a REPL that can run subprocesses and it handles a few "edge case" scenarios (SIGINT/Ctrl + C, etc).

Examples

Running a subprocess

⛄️ whoami
rei
⛄️ echo hello
hello

Gracefully handling commands not found

⛄️ a
🌲⛷  a: command not found
⛄️ b
🌲⛷  b: command not found

Builtins

It currently implements cd and exit.

⛄️ pwd
/home/rei/snowshell
⛄️ cd ..
⛄️ pwd
/home/rei
⛄️ exit 1

Signals

Ctrl + C does nothing on the parent process (shell).

⛄️ ^C

Ctrl + D stops the shell altogether.

⛄️ ^D
❄❅❄❅ Goodbye and stay warm! ❄❅❄❅

Ctrl + C terminates child process.

⛄️ sleep 10
^C
⛄️