Data commit

Task/Rot-13/PureBasic/rot-13.basic

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+Declare.s Rot13(text_to_code.s)
+
+If OpenConsole()
+  Define txt$
+
+  Print("Enter a string to encode: "): txt$=Input()
+
+  PrintN("Coded  : "+Rot13(txt$))
+  PrintN("Decoded: "+Rot13(Rot13(txt$)))
+
+  Print("Press ENTER to quit."): Input()
+  CloseConsole()
+EndIf
+
+Procedure.s Rot13(s.s)
+  Protected.i i
+  Protected.s t, u
+  For i=1 To Len(s)
+    t=Mid(s,i,1)
+    Select Asc(t)
+      Case Asc("a") To Asc("m"), Asc("A") To Asc("M")
+        t=chr(Asc(t)+13)
+      Case Asc("n") To Asc("z"), Asc("N") To Asc("Z")
+        t=chr(Asc(t)-13)
+    EndSelect
+    u+t
+  Next
+  ProcedureReturn u
+EndProcedure