in reply to Writing to a file at a specific point.

Well, as I couldn't figure out how to go back and update my original post, I'm doing it thusly!
My solution (ala Mr. Muskrat): I slurped the file into a $var, split it on the magic line ("add here" , basically) into an @file, then opened the file again, printed into it $file[0], my new crap, magic line, $file[1]. close file. BINGO!
My thanks to all who have helped me. This has definitely been a learning experience and I'm getting more and more intimate with perl. Almost to second base... (oh, baby)
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mojobozo
word (wûrd)
interj. Slang. Used to express approval or an affirmative response to
something. Sometimes used with up. Source