(info): Fix when with last character is special.

(info): Fix when with last character is special.
Also reorganized to check for special characters then blank.

(info): Add length boundary check to filename variable.
Change WIN32 to use the same code.

(info) [_WIN32]: Fix check for invalid file attributes.

(apro): Ensure the user does not see the directory information on error.
See #1028552 for reference.

(apro): Ensure the directories, operating system files, and
hidden files are skipped.