Re^3: Dereference string in foreach

[blue_cowdawg]

in reply to Re^2: Dereference string in foreach
in thread Dereference string in foreach

You don't need to be an utter cowdawg towards the OP -- strict and warnings are irrelevant to his issue.

I wasn't being mean, ornery or cantankerous. Take what I said at face value. If strict and warnings were turned on (as I showed) the problem would have shown itself very clearly.

[Anonymous Monk]

Oh. I seem to have missed the part where the problem showed itself very clearly. I'm still not quite sure where it is shown, actually.

[Anonymous Monk]

Anyway, sorry about that. I did not particularly mean to lash out at you -- your advice just seemed like one of those "you must use strict even for the smallest script" posts that I sometimes see.

[LanX]

> If strict and warnings were turned on (as I showed) the problem would have shown itself very clearly.

Nope, it's another problem just at the same place.

Using my fixes the errors but not the OP's problem, which is foreach localization and aliasing.

use warnings;
use strict;

my $string;
my @array_of_strings=1..3;
my $sref = \$string;
foreach $string ( @array_of_strings ) {
    print $$sref;
}
__END__
Use of uninitialized value in print at - line 8.
Use of uninitialized value in print at - line 8.
Use of uninitialized value in print at - line 8.
lanx@nc10-ubuntu:~$