rand
EXPR
rand
This function returns a random fractional number between 0 and the
value of
EXPR
. (
EXPR
should be positive.)
If
EXPR
is omitted, the function returns a value between 0 and 1
(including 0, but excluding 1). See
also
srand
.
To get an integral value, combine this with int , as in:
$roll = int(rand 6) + 1; # $roll is now an integer between 1 and 6
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