[Israel.pm] setting $!
mellerf at netvision.net.il
Sun Jul 18 13:53:29 PDT 2004
Shlomo Yona wrote:
> I have a function foo() which returns some scalar $s.
> I'd like to be able to do something like this:
> my $s = foo() or die "foo: $!";
> I'd like to be able to assign my own string to $! to be
> used right after a return from foo() in case an undefined
> value is returned.
> What's the way to do this?
perlvar says you can assign a numerical errno value to it. But whyu not
use Error.pm or something similar? Or use the common method of setting
$PKG::errstr and returning undef? Just curious.
"No, I do not contain myself,"
were the final words from the set of self-excluding sets. :-)
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