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Snippet Name: Randomize a list

Description: Randomize a list of elements.

Comment: (none)

Language: PERL
Highlight Mode: PERL
Last Modified: March 05th, 2009

#!/usr/bin/perl
 
# randomize: randomize list
 
SUB randomize{
    MY %r;
    MY @rtn;
    MY ($n,$i);
    FOR ($i=0;$i<@_*20;$i++) {
        UNLESS ($r{$n=INT(RAND(@_))}++) {
            PUSH @rtn,$_[$n];
            LAST IF @rtn == @_; # exit when array is "full"
        }
    }
    RETURN @rtn;
}


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