As I understand it, if a file is open, e.g. C:\perl\lib\CPAN.pm, that file can't be deleted by Windows.

Whilst true, this is a Good Thing(TM) not a bad one. And the simple answer is to close the file before you try and delete it. Of course, that doesn't solve the real problem, but it would for the problem as you describe it.

But the bigger problem is that your understanding of the actual problem that demerphq has addressed in incorrect.

Ever see how Windows install/uninstall programs tell you they can't complete until rebooting?

Of course.

Same thing.

Actually not!

For the real problem see demerphqs post at Re^6: [JOB] The Perl Foundation seeks Windows Developer.

And that succinctly demonstrates my biggest fear with respect to the proposal in the OP. It is being driven by the needs of people who do not know the platform and it's APIs, and are proposing solutions without a full understanding of the real problems, or the possibilities available for solving them.

Did you ever hear/read the lyrics to the old XTC song, Making plans for Nigel?


Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
Lingua non convalesco, consenesco et abolesco. -- Rule 1 has a caveat! -- Who broke the cabal?
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^7: [JOB] The Perl Foundation seeks Windows Developer by BrowserUk
in thread [JOB] The Perl Foundation seeks Windows Developer by adamk

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