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

*To*: mathgroup at smc.vnet.net*Subject*: [mg122803] Re: Converting a list of strings to a single space-delimited string*From*: Ray Koopman <koopman at sfu.ca>*Date*: Fri, 11 Nov 2011 04:53:16 -0500 (EST)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*References*: <j9geh9$ovb$1@smc.vnet.net>

On Nov 10, 4:02 am, Andrew DeYoung <adeyo... at andrew.cmu.edu> wrote: > 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 In[1]:= s = "1 2 3"; t = StringSplit[s] StringJoin@Riffle[t, " "] === s Out[2]= {"1", "2", "3"} Out[3]= True