@@ -10,6 +10,8 @@
 import symboltable.*;
 import IR.*;
 import helper.*;
+import linker.*;
+import codegen.*;
 import java.util.List;
 import java.util.Hashtable;
 
@@ -96,6 +98,34 @@ public static void main(String[] args)
 							}
 						}
 					}
+					
+					//Create output file
+					String fileName = args[0].substring(0, args[0].lastIndexOf(".")) + ".asm";
+					FileWriter fw = null;
+					BufferedWriter bw = null;
+					
+					try
+					{
+						fw = new FileWriter(fileName);
+						bw = new BufferedWriter(fw);
+						
+						//Write MIPS
+						
+					}
+					catch (IOException e)
+					{
+						e.printStackTrace();
+					}
+					
+					//Close output file resources
+					if(fw != null)
+						fw.close();
+					if(bw != null)
+						bw.close();
+					
+					//Link runtime.asm file
+					Linker linker = new Linker("linker/runtime.asm", fileName);
+					linker.link();
 				}
 			}
 		}
 
@@ -0,0 +1,78 @@
+//Mark Klara
+//mak241@pitt.edu
+//CS 1622 - Project 3
+//Linker.java
+
+package linker;
+
+import java.io.FileReader;
+import java.io.BufferedReader;
+import java.io.FileWriter;
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.io.FileNotFoundException;
+
+public class Linker
+{
+	String inFile;
+	String outFile;
+	boolean errorDetected;
+	
+	public Linker()
+	{
+		inFile = null;
+		outFile = null;
+		errorDetected = false;
+	}
+	
+	public Linker(String input, String output)
+	{
+		inFile = input;
+		outFile = output;
+		errorDetected = false;
+	}
+	
+	public void link()
+	{
+		try
+		{
+			if(inFile == null)
+			{
+				System.err.println("Input file for the linker is invalid.");
+				return;
+			}
+			
+			if(outFile == null)
+			{
+				System.err.println("Output file for the linker is invalid.");
+				return;
+			}
+			
+			FileReader fr = new FileReader(inFile);
+			BufferedReader br = new BufferedReader(fr);
+			FileWriter fw = new FileWriter(outFile, true);
+			BufferedWriter bw = new BufferedWriter(fw);
+			
+			String temp;
+			while((temp = br.readLine()) != null)
+			{
+				bw.write(temp, 0, temp.length());
+				bw.write("\n", 0, 1);
+			}
+			
+			//Close resources
+			if(fr != null)
+				fr.close();
+			if(br != null)
+				br.close();
+			if(bw != null)
+				bw.close();
+			if(fw != null)
+				fw.close();
+		}
+		catch(IOException e)
+		{
+			e.printStackTrace();
+		}
+	}
+}