Programming-Idioms

Edit summary for version 81 by daxim:
[Perl] wrong variable name

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2019-09-26, 20:01:38

2019-09-29, 17:34:15

Idiom #11 Pick a random element from a list

List x must be non-empty.

List x must be non-empty.

choose

choose

my @x = ('a', 'list', 'of', 'random', 'items');

print $list[ rand(@x) ], "\n";

my @x = ('a', 'list', 'of', 'random', 'items');
print $x[rand @x];

In scalar context (such as the call to rand), an array evaluates to the length.

In scalar context (such as the call to rand), an array evaluates to the length.

http://p3rl.org/rand

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