You can get the current selected filehandle by: 
select(my $selected = select(my $dummy));
print $selected;

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You may get the name of a glob (e.g. "main::ARGVOUT") or a globref, depending on what was passed to select before.

In reply to Re: how does print know what filehandle to use, when in a diamond in-place edit loop? by ysth
in thread how does print know what filehandle to use, when in a diamond in-place edit loop? by tphyahoo

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