> -Original Message-
> From: yun yun [mailto:[EMAIL PROTECTED]]
> Sent: Saturday, January 19, 2002 10:08 AM
> To: [EMAIL PROTECTED]
> Subject: $_ in hash datatype?
>
>
> if var is a hash type, i.e. %var,
> then what's the meaning of $_, and $var{$_}?
> If var is a hash type, i.e. %var, then what is
> the meaning of $_, and $var{$_}?
__DESCRIPTION__
$_ is the default variable, used when you are too lazy to
create one of your own and like clean looking code.
__EXAMPLE__
foreach (1..5) {
print "$_\n";
}
Is the same as:
foreach $_ (1..5) {
if var is a hash type, i.e. %var,
then what's the meaning of $_, and $var{$_}?
Thanks!
_
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