1. The actual filehandle to the compressed file my class reads is opened ':raw', yes. I'm not sure where else it would make sense to do this. If I try to binmode the tied filehandle, it just tries to find a BINMODE method in my class, which I would have to define myself (probably as setting the mode of the compressed filehandle as I've already done).

2. I'll try to generate a minimal tied class that demonstrates what I observe. If I see the same thing, does this seem like a bug or a feature request? Would they both go to the same place?

If I see the same thing, does this seem like a bug or a feature request? Would they both go to the same place?

My best guess based upon what I've read in this thread, is that you've encountered a bug in the PERL_IO implementation; and that it is a bug against Perl itself; thus should be aimed at p5p.

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With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.

"Science is about questioning the status quo. Questioning authority". I knew I was on the right track :)

In the absence of evidence, opinion is indistinguishable from prejudice.

I'm with torvalds on this Agile (and TDD) debunked I told'em LLVM was the way to go. But did they listen!