What do you mean? If the script is using hashbang, you can just run it. If not, run "bash script.sh". If you need to source it, use the plugin "bass". If you wa

What do you mean? If the script is using hashbang, you can just run it. If not, run "bash script.sh". If you need to source it, use the plugin "bass". If you want to run a one-time bash command copypasted from somewhere, just type "bash", run your command, and then ctrl-c.