[Swift-devel] Join function?

[Michael Wilde]

Best way to help is to create a developer note in the swiftdevel site describing what you know about how to do this, with an existing example.

Thanks,

- Mike


----- Original Message -----
> From: "Jonathan Monette" <jonmon at mcs.anl.gov>
> To: "Michael Wilde" <wilde at mcs.anl.gov>
> Cc: "David Kelly" <davidk at ci.uchicago.edu>, "swift-devel at ci.uchicago.edu Devel" <swift-devel at ci.uchicago.edu>
> Sent: Tuesday, April 3, 2012 1:42:47 PM
> Subject: Re: [Swift-devel] Join function?
> I was just looking into how hard it would be to add an @join function
> to Swift that does what David describes. I do not think it will be too
> difficult. So if David wants to try I can help if he would like.
> 
> On Apr 3, 2012, at 1:40 PM, Michael Wilde wrote:
> 
> > You might be able to write strjoin() as a recursive Swift function.
> > It would also be a good exercise for you to add it as a new
> > primitive, David - as we are rather scanty n string and math
> > functions.
> >
> > - Mike
> >
> > ----- Original Message -----
> >> From: "David Kelly" <davidk at ci.uchicago.edu>
> >> To: "Jonathan Monette" <jonmon at mcs.anl.gov>
> >> Cc: "swift-devel at ci.uchicago.edu Devel"
> >> <swift-devel at ci.uchicago.edu>
> >> Sent: Tuesday, April 3, 2012 1:33:06 PM
> >> Subject: Re: [Swift-devel] Join function?
> >> I think that would work, but it requires knowing the number of
> >> elements.
> >>
> >> ----- Original Message -----
> >>> From: "Jonathan Monette" <jonmon at mcs.anl.gov>
> >>> To: "David Kelly" <davidk at ci.uchicago.edu>
> >>> Cc: "swift-devel at ci.uchicago.edu Devel"
> >>> <swift-devel at ci.uchicago.edu>
> >>> Sent: Tuesday, April 3, 2012 1:21:32 PM
> >>> Subject: Re: [Swift-devel] Join function?
> >>> So @strcat(a[0],":", a[1], ":", a[2], ":", a[3]); does not work?
> >>> That
> >>> is the only swift way I can think of to make it work. The only
> >>> other
> >>> approach is to use an app call to a perl/python script.
> >>>
> >>> On Apr 3, 2012, at 1:02 PM, David Kelly wrote:
> >>>
> >>>> Hello,
> >>>>
> >>>> Is there a way to concatenate all elements of an array into a
> >>>> single
> >>>> string? I would also like to define a separator between elements.
> >>>> I
> >>>> was thinking of something similar to Perl's join function.
> >>>>
> >>>> If I have:
> >>>>
> >>>> string a[];
> >>>> a[0] = "this";
> >>>> a[1] = "is";
> >>>> a[2] = "a";
> >>>> a[3] = "test";
> >>>>
> >>>> How can I get it into "this is a test" or "this:is:a:test"?
> >>>> @strcat
> >>>> returns a reference. I can tracef with %q and get
> >>>> "[this,is,a,test]", but it doesn't give me any control over the
> >>>> formatting as far as I know.
> >>>>
> >>>> I could call a shell script to do this, just wondering if there
> >>>> was
> >>>> another way.
> >>>>
> >>>> David
> >>>> _______________________________________________
> >>>> Swift-devel mailing list
> >>>> Swift-devel at ci.uchicago.edu
> >>>> https://lists.ci.uchicago.edu/cgi-bin/mailman/listinfo/swift-devel
> >> _______________________________________________
> >> Swift-devel mailing list
> >> Swift-devel at ci.uchicago.edu
> >> https://lists.ci.uchicago.edu/cgi-bin/mailman/listinfo/swift-devel
> >
> > --
> > Michael Wilde
> > Computation Institute, University of Chicago
> > Mathematics and Computer Science Division
> > Argonne National Laboratory
> >

-- 
Michael Wilde
Computation Institute, University of Chicago
Mathematics and Computer Science Division
Argonne National Laboratory