No need for a loop. Try this:

my %check;

@check{@arr) = (1) x @arr;

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You now have a hash %check which has a key/value pair for each element in the list. You can check for the existance of value, $val, by doing:

if $check{$val}

[download]

In reply to RE: Determining if an element is already in an array. by davorg
in thread Determining if an element is already in an array. by ithron

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