From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: 27 March 2007 20:00
To: [email protected]
Subject: Questioning wisdom of system() call inside an eval block
> Perlers, I feel like I know just enough about this to be dangerous, so
I'll put it to you.
Hmmm, ominous words ... :-)
>
> I'm beginning to suspect a chunk of code isn't doing what I need it
to. I've looked through the perldoc on
> system(), and that's what really started me wondering. What I'm not
sure about is which way to go to fix
> this--especially since it seems to work. Here's the code I'm looking
at:
>
> eval {
> system( "certutil -f -enterprise -addstore root $cert > NUL 2>&1"
);
> };
> $@ and Carp::croak( "Error installing certificate ($@)" );
>
> where $cert contains the name of a certificate file (foo.cer). Is
there an easier, or cleaner, way of running > a program? How, and what,
would I replace in this jumble using backticks--would that be a better
way to go?
Why are you using eval? I can see no reason for it. Also, "> NUL 2>&1"
suggests that would be no output from the command to be captured, so how
would backticks help?
>
> Thanks to anyone who'll help me make sure I'm DWIM!
It might help if you could actually say what YM. I for one am not as
good as Perl sometinse is at guessing that kind of thing.
HTH
--
Brian Raven
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