Another update from ingydotnet^djgoku

Task/Interactive-programming/Batch-File/interactive-programming.bat

@@ -1,2 +1,10 @@
-command.com
-color f0
+>set r=Rosetta
+
+>set c=Code
+
+>set s=:
+
+>echo %r%%s%%s%%c%
+Rosetta::Code
+
+>

Task/Interactive-programming/Elixir/interactive-programming-1.elixir

@@ -0,0 +1,7 @@
+iex(1)> f = fn str1,str2,sep -> [str1,"",str2] |> Enum.join(sep) end # Join list on seperator
+iex(2)> g = fn str1,str2,sep -> str1 <> sep <> sep <> str2 end       # Or concatenate strings
+
+iex(3)> defmodule JoinStrings do
+...(3)>   def f(str1,str2,sep), do: [str1,"",str2] |> Enum.join(sep)
+...(3)>   def g(str1,str2,sep), do: str1 <> sep <> sep <> str2
+...(3)> end

Task/Interactive-programming/Elixir/interactive-programming-2.elixir

@@ -0,0 +1,4 @@
+iex(4)> f.("Rosetta","Code",":")
+"Rosetta::Code"
+iex(5)> JoinStrings.f("Rosetta","Code",":")
+"Rosetta::Code"

Task/Interactive-programming/MATLAB/interactive-programming.m

@@ -1,5 +1 @@
-  function x=f(a,b,sep)
-    x = [a,sep,b];
-    return;
-  end;
-  f('Rosetta', 'Code', ':')
+>> f = @(str1, str2, delim) [str1, delim, delim, str2];