 Take our Quick Survey and enter a drawing for a chance to win a $100 VISA Gift Card.|
| length
- length EXPR
-
- length
-
Returns the length in characters of the value of EXPR. If EXPR is
omitted, returns length of
$_. Note that this cannot be used on
an entire array or hash to find out how many elements these have.
For that, use scalar @array and scalar keys %hash respectively.
| |
| |
