Roiy Zysman wrote:
>
> Hi all,
Hello,
> What is the meaning of the '+' sign before the shift command in my test sub.
> Why doesn't it works without the '+' sign ?
perl looks at %{shift} and sees the variable %shift. You have to tell
it that shift is not a variable name using either %{shift()} or
%{+shift} or %{shift @_} or %{shift;} or %{;shift} or you could use
%{$_[0]}
> test_sub({'key1'=>'value1','key2'=>'value2'});
>
>
> sub test_sub{
> my %htest = %{+shift}; #why doesn't it works without the + sign
> print keys(%htest);
> print "end\n";
> }
John
--
use Perl;
program
fulfillment
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