how to transform decial point "3.15" to "3,15" comma?

[ketmar via Digitalmars-d-learn]

On Mon, 15 Sep 2014 22:47:32 +0000
Cassio Butrico via Digitalmars-d-learn
<digitalmars-d-learn at puremagic.com> wrote:

> > how to transform decial point "3.15" to "3,15" comma?
> >
> Hello everyone, I am making a registry of real amounts, and need 
> trasformar fractional numbers, so print correctly. there is some 
> routine that do this?
why don't do just this:

  void main () {
    import std.stdio;
    import std.string;
    import std.array;
    string s = "%s".format(3.14).replace(".", ",");
    writeln(s);
  }

but i believe that separator is locale-dependend, so maybe you should
just change locale at program startup?
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