Re: function in an executable file that can be sourced or executed

[Seth David Schoen]

Mike McClain writes:

> I have an executable file ~/bin/net that does the hocus pocus to bring
> eth0 up and down. In another file, ~/bin/user.bash is a function, net(),
> that does the same thing yet can be sourced.
> Is there a way that I can put function net() in executable file ~/bin/net
> with a call at the end like: [ if not sourced ] && net;
> In other words, if ~/bin/net is called from the command line the
> function will be executed?

There might be a more official way, but you can certainly check the
contents of $0 or of $(basename $0).