Perl Programming/Keywords/rand

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The rand keyword[edit | edit source]

rand is a function that returns a random fractional number greater than or equal to 0 and less than the value of EXPRESSION. Without EXPRESSION, the value 1 is used so that the interval of the random number is .

Syntax[edit | edit source]

  rand EXPRESSION
  rand

Examples[edit | edit source]

The code
$a = rand(31);
print 'int(' . "$a" . ') = ', int($a);
returns a number [0, 31) like
 int(28.7540893554688) = 28

See also[edit | edit source]

Previous: qx Keywords Next: read