HTTP/2 200 server: nginx content-type: text/plain;charset=UTF-8 content-encoding: gzip content-security-policy: default-src 'self'; connect-src 'self' *.google-analytics.com; img-src 'self' data: www.google-analytics.com www.googletagmanager.com; script-src 'self' 'unsafe-inline' www.google-analytics.com www.googletagmanager.com; style-src 'self'; report-uri /csp-reports accept-ranges: bytes age: 0 date: Thu, 31 Jul 2025 06:25:21 GMT via: 1.1 varnish x-served-by: cache-bom-vanm7210047-BOM x-cache: MISS x-cache-hits: 0 x-timer: S1753943121.604751,VS0,VE647 vary: Accept-Encoding strict-transport-security: max-age=31557600 content-length: 693 =over =item rand EXPR X X =item rand Returns a random fractional number greater than or equal to C<0> and B than the value of EXPR. (EXPR should be positive.) If EXPR is omitted, the value C<1> is used. my $num1 = rand(); # Random float at least 0 and below 1 my $num2 = rand(7); # Random float at least 0 and below 7 my $num3 = int(rand(10)); # Random integer at least 0 and below 10 B =over =item * Calling C automatically calls L|/srand EXPR> unless srand has already been called. =item * Currently EXPR with the value C<0> is special-cased as C<1>. This was undocumented before Perl 5.8.0 and is subject to change in future versions of Perl. =item * As of Perl v5.20.0 C uses the C pseudorandom number generator to generate random numbers. As a PRNG C should be sufficient for most non-cryptographic needs. If you need cryptographic random numbers check CPAN for crypto safe alternatives. =back =over =item B B is not cryptographically secure. You should not rely on it in security-sensitive situations.> As of this writing, a number of third-party CPAN modules offer random number generators intended by their authors to be cryptographically secure, including: =back =over =item * L =item * L =back =back