Re: How do I find if an array has duplicate elements, if so discard it?

[perladdict]

hi monk,

i am beginar to perl,i tried to remove the duplicates from a one dimentional array.Here is my code

#!/usr/bin/perl -w
@a=(1,2,3,4,5,5,6,3,7);
undef %raw;
@b=grep(!$raw{$_}++,@a);
print "@b \n";

Originally posted as a Categorized Answer.