diff --git a/src/TXTWKR01.c b/src/TXTWKR01.c
index f41e7cb..8586908 100644
--- a/src/TXTWKR01.c
+++ b/src/TXTWKR01.c
@@ -2,15 +2,25 @@
 
 int main()
 {
-    printf("Starting program - attempting fopen(dd:TESTDD, \"r\")\n");
+    printf((char *)"Program starting - about to fopen(dd:TESTDD, \"r\")\n");
 
-    FILE *fp = fopen("dd:TESTDD", "r");
+    FILE *fp;
+    char buf[256];
+
+    fp = fopen("dd:TESTDD", "r");
     if (fp == NULL) {
-        printf("fopen returned NULL\n");
-        perror("fopen error");
+        printf((char *)"fopen returned NULL\n");
+        printf((char *)"fopen read failed\n");
         return 1;
     }
 
-    printf("fopen succeeded!\n");
-    /* rest unchanged */
+    printf((char *)"fopen succeeded!\n");
+    printf((char *)"Existing content:\n");
+    while (fgets(buf, 256, fp) != NULL) {
+        printf((char *)"%s", buf);
+    }
+    fclose(fp);
+
+    printf((char *)"Read complete.\n");
+    return 0;
 }
\ No newline at end of file