>>>Just can't remember how to do this. Set printer? Can't find the right clauses to work though.
>>>
>>>

>>>? "Send this to the 1st line of a file."
>>>? "Send this to the 2nd line of a file."
>>>

>>
>>I didn't try, but AFAIK this would also work
>>
>>??? "First line"
>>??? "second line"
>
>Is that to a file or to the printer?

To the printer. ??? sends a string to the printer. That's why an easy way to print a text file is to use

??? filetostr('myFile.txt')

for your original question you may also check SET DEVICE and SET ALTERNATE commands in Help.