From 54daa0bf9ba4c019f5a5c89e57938cb871de6a09 Mon Sep 17 00:00:00 2001
From: Shiz <hi@shiz.me>
Date: Sat, 11 Mar 2017 17:14:32 +0100
Subject: [PATCH] Don't rely on a fixed offset length.

---
 README.md | 2 +-
 rpatool   | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 9b670cd..9471936 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Currently, only writing to RPAv2/RPAv3 archives is supported.
 
 Usage
 -----
-    rpatool [-l|-x|-c|-d] [-a] [-o OUTFILE] [-2] [-3] [-k KEY]
+    rpatool [-l|-x|-c|-d|-a] [-o OUTFILE] [-2] [-3] [-k KEY]
             [-p COUNT] [-h] [-v] [-V]
             ARCHIVE [FILE [FILE ...]]
 
diff --git a/rpatool b/rpatool
index 13f4d21..2cc4b2e 100755
--- a/rpatool
+++ b/rpatool
@@ -57,10 +57,11 @@ class RenPyArchive:
         if self.version == 2 or self.version == 3:
             # Fetch metadata.
             metadata = self.handle.readline()
-            offset = int(metadata[8:24], 16)
+            vals = metadata.split()
+            offset = int(vals[1], 16)
             if self.version == 3:
                 self.key = 0
-                for subkey in metadata[25:].split():
+                for subkey in vals[2:]:
                     self.key ^= int(subkey, 16)
             
             # Load in indexes.