diff --git a/src/Scotty.java b/src/Scotty.java
index 0b7987a..6d67cb1 100644
--- a/src/Scotty.java
+++ b/src/Scotty.java
@@ -1,7 +1,12 @@
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.InputStream;
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Random;
+import java.util.zip.Deflater;
+import java.io.RandomAccessFile;
 
 public class Scotty {
     public enum CompressionFormats {
@@ -19,7 +24,8 @@ public class Scotty {
 
     public enum PathModes {
         RELATIVE(0),
-        ABSOLUTE(1);
+        IGNORE_CASE(1),
+        ABSOLUTE(2);
 
         private final int value;
         PathModes(final int value) {this.value = value;}
@@ -53,10 +59,12 @@ public class Scotty {
     }
 
     public class PSARC {
+        public byte[] version = new byte[]{0, 0, 0, 0}; // fixed length of 32 bits
         public CompressionFormats algorithm = CompressionFormats.ZLIB;  // the algorithm used to compress the files
         public byte strength = 9;                                       // intensity of the compression algorithm from 0 to 9
         public long blockSize = 65536;
-        private File fromDisk = null;
+        public PathModes mode = PathModes.RELATIVE;
+        private RandomAccessFile fromDisk = null;                                   // if NULL then file is a new file
         private List<CompressedFile> files = new ArrayList<CompressedFile>();
 
         public PSARC() { // new w/ defaults
@@ -65,6 +73,11 @@ public class Scotty {
 
         public PSARC(File location) { // existing
             // todo: read psarc and set vars above
+            try {fromDisk = new RandomAccessFile(location, "read");} catch (
+                    FileNotFoundException e) {throw new RuntimeException(e);
+            }
+            System.out.println();
+
         }
 
         public PSARC(CompressionFormats algorithm, byte strength) { // new