- Add
export
built-in command (Yuliang Tan) - Add
getenv
built-in command (Yuliang Tan) - Use subprocess module to fork and exec (Yuliang Tan)
- Get an environment variable if a token begins with a dollar sign (Yuliang Tan)
- Support Windows (Yuliang Tan)
- Add main shell lopp (Supasate Choochaisri)
- Add command tokenization (Supasate Choochaisri)
- Fork and exec input commands (Supasate Choochaisri)
- Add
cd
built-in command (Supasate Choochaisri) - Add
exit
built-in command (Supasate Choochaisri) - Improve comments and fix PEP8 coding style (Kshitij Saraogi)