Developers of Sympa

[IKEDA Soji <address@concealed>]

Forgive partial reply...

On Mon, 12 Nov 2012 18:38:56 +0100
David Verdin <address@concealed> wrote:

[snip]
> >>> I want to add one thing to the list:
> >>>
> >>> - use context-local variables as filehandles and directoryhandles:
> >>> open my $fh, '>', 'file';
> >>> print $fh 'blah blah blah';
> >>> close $fh;
> >> I may be wrong, but I thought such form woul be the only one allowed in
> >> "use strict" context. Isn't it the case?
> > If you're refering as the usage of 'my' in front of the variable 
> > declaration, you're correct. But if you're refering to the usage of 
> > variable ($fh) against typeglobs (fh), you're not, they are perfectly 
> > legal in strict mode. Hence the interest of variables here.
> Sorry, I was completely out of focus here.
> What is the interest of this notation?
> >
> > BTW, the Soji proposal actually covers two aspects:
> > - use the 3-parameters form for open(), meaning the mode is the 2nd 
> > parameter, and the filename the 3rd
> > - use local variables, not typeglobs, for file/directory handles

I meant second one: open() should use (brand-new) variables instead
of barewords.  Barewords taint namespace.

But well... 3-parameter open() is desirable, too.  'open $fh, $file;'
is insecure because $file can contain garbage.

[snip]

Thanks,

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