diff --git a/.gitignore b/.gitignore
index 007012b..e3fb55d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 *.exe
 *.stackdump
 *.log
+devil1test
 
 # Test files
 *.dds
diff --git a/test/main.c b/test/main.c
index 62ca3ac..472f1a4 100644
--- a/test/main.c
+++ b/test/main.c
@@ -6,6 +6,13 @@
 #include "devil1pld.h"
 #include "devil1tex.h"
 
+
+#define TYPE_ID_LENGTH 4
+
+
+
+
+
 char *loadfile(const char *fname, unsigned int *s) {
     FILE *f           = fopen(fname, "rb");
     unsigned int size = 0; // number of elements to buffer;
@@ -14,7 +21,7 @@ char *loadfile(const char *fname, unsigned int *s) {
         perror("Error 1: ");
         return NULL;
     }
-    // this method of determining file size doesn't work until 2 GB.
+    // this method of determining file size works up to 2 GB.
     fseek(f, 0, SEEK_END);
     size = ftell(f);
     rewind(f);
@@ -64,10 +71,17 @@ bool unpackpld(const char *filedata,
     fn = (char*)malloc(strlen(filename) + 3 + 4);
     int size       = 0;
     unsigned int i = 0;
+    char filetype[TYPE_ID_LENGTH];
+    char filetypetexture[TYPE_ID_LENGTH] = {'\0', '2', '3', 'T'};
     for (i = 0; i < h.numOffset; i++) {
+        const char * currentfile = filedata + h.offsets[i];
         size = sizeofpldstruct(&h, i, filesize);
-        sprintf(fn, "%s_%d", filename, i);
-        write(fn, filedata + h.offsets[i], size);
+        memcpy(filetype, currentfile, TYPE_ID_LENGTH);
+        if (strcmp( filetype, filetypetexture ) == 0)
+          sprintf(fn, "%s_%d.txp", filename, i);
+        else
+          sprintf(fn, "%s_%d", filename, i);
+        write(fn, currentfile, size);
     }
     free(fn);
     return true;