You don't have a / command to paste text ingame.
You can use ctrl+v to paste from clipboard.
You need a little effort to do what you want :
You need to install an extension in your browsers like https://chrome.google.com/webstore/d...e-text-to-file
for Chrome, and parameter it to write allways the same file.
You can then use a macro to use the file /do_file_commands c:\blablabla.txt
But you need to find a way to remove the / inside the file before using it in the macro.
If the file contains after the copy :
The file content should be :
to work with the /do_file_commands.