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Postings from April 2001
A beginner was asking how to do this on clpm yesterday. Adding this patch: * Documents how to do it. * Saves the beginner the trouble of hunting through perlfunc to figure out how to truncate floating point numbers. * Shows the range which is returned (which might not be intuitive). Walt --- pod/perlfunc.pod.orig Thu Apr 5 18:54:57 2001 +++ pod/perlfunc.pod Sun Apr 29 21:19:58 2001 @@ -3509,6 +3509,13 @@ omitted, the value C<1> is used. Automatically calls C<srand> unless C<srand> has already been called. See also C<srand>. +Apply C<int()> to the value returned by C<rand()> if you want random +integers instead of random fractional numbers. For example, + + int(rand(10)) + +returns a random integer between C<0> and C<9>, inclusive. + (Note: If your rand function consistently returns numbers that are too large or too small, then your version of Perl was probably compiled with the wrong number of RANDBITS.)Thread Next