Can't. 
$ perl -le'print defined(prototype("CORE::print")) || 0'
0

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But honestly, that's not what you want anyway. What if the program also uses printf or syswrite? What if the program wants to write to a file?

You want to present the interface of a variable, but with custom functionality. That's what magic is for. Specifically, you want to tie the handle you want redirected (presumably STDOUT). See Tie::Handle

In reply to Re: print overloading by ikegami
in thread print overloading by Karger78

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