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Re: Converting a list of strings to a single space-delimited string

  • To: mathgroup at smc.vnet.net
  • Subject: [mg122829] Re: Converting a list of strings to a single space-delimited string
  • From: "Dr. Wolfgang Hintze" <weh at snafu.de>
  • Date: Fri, 11 Nov 2011 04:57:58 -0500 (EST)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <j9geh9$ovb$1@smc.vnet.net>

"Andrew DeYoung" <adeyoung at andrew.cmu.edu> schrieb im Newsbeitrag 
news:j9geh9$ovb$1 at smc.vnet.net...
> Hi,
>
> I know that the command StringSplit can be used to convert a single
> space-delimited string to a list of strings.  For example,
>
> B = "1 2 3";
> mylist = StringSplit[B]
>
> gives a list mylist such that mylist = {"1", "2", "3"}.
>
> But what if I would like to go in the reveres direction -- convert
> {"1", "2", "3"} to "1 2 3"?  Is there a good way to do this, other
> than using a For loop and concatenating the elements of the list
> together?
>
> Thanks so much.
>
> Andrew DeYoung
> Carnegie Mellon University
>

It can be easily done:
(* define data *)
lst = {"1", "2", "3"}
    {"1", "2", "3"}

(* perform operation *)
StringJoin @@ lst
    "123"

(* check type of result *)
Head[%]
    String

Regards,
Wolfgang




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