Hi Dear all, I have two strings like below: @a = qw('a', 'b', 'c'} @b = qw('a', 'a', 'b', 'c', 'd', 'd') for @b, 'a' and 'd' are both duplicated. I want compare if all the elements in @a are all belong to @b, also return the element in @b which not show in @a. for example, to compare these two array, i want to get a value like this: @c = ('d'). Please help! Thanks a lot. Coeus

In reply to How to compare two arrays under certain conditions? by coeus_wang

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