Copying a rsa public key to clipboard

Question

I am trying to copy a public key to the clipboard on macOS, but I keep getting "no such file or directory." The command I am using is pasted below

pbcopy < ~/.ssh/id_rsa.pub 

Answer 1

cat ~/.ssh/id_rsa.pub

then you can copy your ssh key

Answer 2

To copy your public key to the clipboard

cat ~/.ssh/id_rsa.pub | pbcopy 

This pipes the output of the file to pbcopy.