What if you want to re-use the .bashrc of ArcoLinux on Arch Linux.
Option 1 :
Add the repositories of ArcoLinux to Arch Linux. See this article.
I just need the .bashrc nothing more. Follow this link.
Now copy/paste the contents of that file in your .bashrc in your home directory.
Reboot or log out.
Install any of the missing applications we use like reflector, expac, …