User turns:
user: Display all the available files located within the '/temp' directory including hidden one using the terminal interface .
user: With the information presented on the terminal, draft a post on Twitter mentioning only the file names seperated them by comma and space, and include the hashtag '#fileshowcase' to spread the word.

Involved APIs: TwitterAPI
GorillaFileSystem
Ground-truth function call path:
GorillaFileSystem.cd
GorillaFileSystem.echo
TwitterAPI.post_tweet
TwitterAPI.comment