Console/SSH/X: How to tell?

[Marc Lanctot]

Hello, 

I use pal for my calendaring now and I'd like my xterms to open up with
the output from pal. However, if I add it to .bashrc, then when I try
to copy things to/fro remotely scp fails because there is output
generated by my .bashrc. 

So what I'd like to do is detect if the session is an xterm/console, or
through interactive ssh.. and output the calendar in these cases but
not in cases where I scp or execute a command remotely. 

Can I do this? If so, how?

Thanks in advance, 
Marc

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