Prototype: shuffle(list, seed)
Return type: slist
Description: Return list shuffled with seed.
This function can accept many types of data parameters.
The same seed will produce the same shuffle every time. For a random shuffle, provide a random seed with the randomint function.
Arguments:
list: string - CFEngine variable identifier or inline JSON - in the range: .*seed: string - Any seed string - in the range: .*Example:
code
body common control
{
bundlesequence => { "test" };
}
bundle agent test
{
vars:
"mylist" slist => { "b", "c", "a" };
"seeds" slist => { "xx", "yy", "zz" };
"shuffled_$(seeds)" slist => shuffle(mylist, $(seeds));
"joined_$(seeds)" string => join(",", "shuffled_$(seeds)");
reports:
"shuffled RANDOMLY by $(seeds) = '$(joined_$(seeds))'";
}
Output:
code
R: shuffled RANDOMLY by xx = 'b,a,c'
R: shuffled RANDOMLY by yy = 'a,c,b'
R: shuffled RANDOMLY by zz = 'c,b,a'
History: The collecting function behavior was added in 3.9.
See also: sort(), about collecting functions, and data documentation.
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