Re: __FILE__ works as bareword

On Sat, Nov 29, 2025 at 01:14:16AM -0500, Dan wrote:
> On Sat, Nov 29, 2025 at 12:39 AM Jim Avera <[email protected]> wrote:
> 
> > This may have come up before, I don't recall.   Special tokens like
> > __FILE__ are not interpolated if they appear in a position where a
> > bareword hash key is allowed.
> >
> >    perl -E 'my @a = (__FILE__ => 42); say $a[0];'     # v5.43.2
> >    >> __FILE__
> >
> > Is this a bug?
> >
> 
> No; identifiers are also not resolved to subroutines or other keywords in
> scope by the autoquoting fat comma. The autoquoting unary minus, of course,
> has the opposite resolution (-__FILE__).

And the easiest way to avoid autoquoting is to use an operator that
doesn't do it: ,

See also:
https://metacpan.org/dist/perlsecret/view/lib/perlsecret.pod#Winking-fat-comma

-- 
 Philippe Bruhat (BooK)

 Be careful when you take one side or the other. You could wind up in the
 middle.                            (Moral from Groo The Wanderer #33 (Epic))