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Re: A list based table join?

• To: mathgroup at smc.vnet.net
• Subject: [mg112970] Re: A list based table join?
• From: DC <b.gatessucks at gmail.com>
• Date: Fri, 8 Oct 2010 04:50:16 -0400 (EDT)
• References: <i8jteq$aco$1@smc.vnet.net>

Try

Select[x, MemberQ[y, #[[1]]] &][[All, 2]]

-Francesco

On 10/07/2010 08:39 AM, Leo Ditolaghi wrote:
> x = {{"hello", 27},
> {"bye", 30},
> {"hello", 54},
> {"seeya", 100},
> {"hi", 9}}
>
> y = {"hello", "hi"}
>