Re: [FWP] -c/-w (was Re: sifting)

[Ronald J Kimball <rjk@linguist.dartmouth.edu>]

On Thu, Apr 13, 2000 at 10:51:03AM -0400, Bill Jones wrote:
> Sorry to pester you, but I am in a bit of a jam.

What does this have to do with sifting?


> I run a smallish WebCT installation and I want to upgrade to Perl 5.6.0,
> HOWEVER, the WebCT perl scripts are not ready to run under 5.6.0.
> 
> The WebCT people say that their scripts should be -c compliant, but I tried
> to explain that -c doesn't guarantee that the scripts are without runtime
> nor logical errors.
> 
> I thought I had seen this -w versus -c topic discussed with example code in
> the past, but now I am unable to find it.  Can anyone here provide a clear
> coding example, especially a DBM or DB example of how Perl can -c but not
> run correctly - one where -w would have caught the error?

#!perl
open(FOO, ">/nonesuch/foo");
print FOO "Hello world!\n";
__END__

With -w:

print on closed filehandle main::FOO at - line 2.


Nonetheless, I don't think upgrading to 5.6.0 on a production system is a
good idea.


Ronald

==== Want to unsubscribe from Fun With Perl?  Well, if you insist...
==== Send email to <fwp-request@technofile.org> with message _body_
====   unsubscribe