Actually, I was talking about subs (though I realize now I may have confused you by using the word sub/function interchangably). From my original reply:
When scalars are passed to a function, e.g. open they are copied (not passed by reference).

I was wrong about them not being passed by reference to subs/functions (i.e. the calling convention), but not about them being copied, at least when people use the parameters the usual way. I was mistaken precisely because whenever I define subs I never use @_ directly. As a result, I formed a long standing misimpression of the calling convention. I simply didn't want others to make the mistake I did or to think that they could freely pass tied scalars into subs (or functions) without knowing how they were going to be used internally.

As for "crying foul" - that makes this sound like a fight. I'm here to learn, not to argue. Perhaps those aren't your goals?

In my opinion, trying to understand why someone made a mistake is as important as correcting them. And for me, it is an essential part of not repeating my own. I never was much of a rote learner.

Best, beth

In reply to Re^5: Using a tied scalar as an in memory file by ELISHEVA
in thread Using a tied scalar as an in memory file by duncs

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