foreach (keys %texts)
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You kinda lost me here. You speak about arrays but keys and %texts are clearly (update: related to) hashes to me. What exactly do you want?

As for your question, use a hash indeed. I suppose that when a text entry occurs twice, the same image occurs twice as well?

$texts_and_images{"$text"} = $image;    # set text and image
@all_texts = keys %texts_and_images;    # have a list of all texts
@all_images = values %texts_and_images; # have a list of all images
$image = $texts_and_images{"$text");    # have the associated image of
+ a text
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HTH