Copy files from one directory into an existing directory

Question

In bash I need to do this:

1. take all files in a directory

2. copy them into an existing directory

How do I do this? I tried

Answer 1

What you want is:

cp -R t1/. t2/

The dot at the end tells it to copy the contents of the current directory, not the directory itself. This method also includes hidden files and folders.