Nicer output for binsum.py.

.vscode/launch.json

@@ -12,6 +12,14 @@
             "args": ["D2Delta_300.gcd", "fenix5Plus_510.gcd", "GUPDATE.GCD", "fenix5Plus_510.gcd"],
             "console": "integratedTerminal"
         },
+        {
+            "name": "Python: gcdstruct.py",
+            "type": "python",
+            "request": "launch",
+            "program": "${workspaceFolder}/gcdstruct.py",
+            "args": ["D2Delta_300.gcd"],
+            "console": "integratedTerminal"
+        },
         {
             "name": "Python: Attach",
             "type": "python",

.vscode/tasks.json

@@ -4,9 +4,9 @@
     "version": "2.0.0",
     "tasks": [
         {
-            "label": "Run fenix5Plus_510.gcd",
+            "label": "Run gcdstruct.py",
             "type": "shell",
-            "command": "python3 gcd.py fenix5Plus_510.gcd",
+            "command": "python3 gcdstruct.py fenix5Plus_510.gcd",
             "group": {
                 "kind": "build",
                 "isDefault": true

binsum.py

@@ -52,5 +52,13 @@ with open(FILE, "rb") as f:
         if len(block) < BLOCKSIZE:
             break
     f.close()
-print("Calculated SHA1: {}".format(csum.hexdigest()))
+
-print("SHA1 in file   : {} (offset 0x{:x})".format(trailer[:20].hex(), trailer_pos))
+expected_sha1 = csum.hexdigest()
+found_sha1 = trailer[:20].hex()
+print("Calculated SHA1: {}".format(expected_sha1))
+print("SHA1 in file   : {} (offset 0x{:x})".format(found_sha1, trailer_pos))
+
+if expected_sha1 == found_sha1:
+    print("☑ CHECKSUM VALID.")
+else:
+    print("☒ CHECKSUM INVALID!!! (Or GCD or other type.)")