in reply to How do I check if a scalar in @_ is writable?
I don't know how to answer your actual quesiton, but I think your approach is rather strange. Personally, I'd pass references into the subroutine and have the sub modify their referents.
The computer can't tell you the emotional story. It can give you the exact mathematical design, but what's missing is the eyebrows. - Frank Zappa
Just a thought.
The computer can't tell you the emotional story. It can give you the exact mathematical design, but what's missing is the eyebrows. - Frank Zappa
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