Hit upon this late yet still want to share a different way of doing forall a [ if find next a first a [append b:[] first a]] unique b
that's it. - Z. Yao=20 -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf = Of David Sent: 2005=C4=EA7=D4=C25=C8=D5 10:46 To: [EMAIL PROTECTED] Subject: [REBOL] Extracting a series of duplicates I can't seem to find the right combination of functions to do this: = Create a series containing the values that are repeated in another = series. For example, if the first series is [1 2 2 3 4 5 5 5 6], the new = series should be [2 5]. Any hints or solutions are appreciated. --=20 To unsubscribe from the list, just send an email to=20 lists at rebol.com with unsubscribe as the subject. -- To unsubscribe from the list, just send an email to lists at rebol.com with unsubscribe as the subject.
