When I use " . interaction.sh"

[HasanMajhali]

Hi Odejinmi Samuel
When I use " . interaction.sh"
I get error
the steps as follows

Myserver:# git clone https://github.com/SamjiDiamond/bbb-monitoring
Cloning into 'bbb-monitoring'...
remote: Enumerating objects: 10, done.
remote: Counting objects: 100% (10/10), done.
remote: Compressing objects: 100% (9/9), done.
remote: Total 10 (delta 1), reused 0 (delta 0), pack-reused 0
Unpacking objects: 100% (10/10), done.
Checking connectivity... done.
Myserver:# cd bbb-monitoring
Myserver:/bbb-monitoring# . interaction.sh
-bash: $'\r': command not found
I am about to help add all all_in_one_monitoring to your server
What is your domain name e.g bigbluebutton.com?
': not a valid identifier
-bash: $'\r': command not found
What is the secret key e.g Key you get when you run bbb-conf --secret?
': not a valid identifier
-bash: $'\r': command not found
-bash: $'\r': command not found
-bash: warning: here-document at line 51 delimited by end-of-file (wanted `EOF')
-bash: interaction.sh: line 64: syntax error: unexpected end of file
Myserver:/bbb-monitoring#