From 2666c990d930d4a1675e352e7a75a409f5a064f1 Mon Sep 17 00:00:00 2001
From: 0bscenity <154705783+0bscenity@users.noreply.github.com>
Date: Mon, 20 May 2024 11:50:00 -0500
Subject: [PATCH] Add files via upload

---
 crc32.py | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 crc32.py

diff --git a/crc32.py b/crc32.py
new file mode 100644
index 0000000..64c7938
--- /dev/null
+++ b/crc32.py
@@ -0,0 +1,44 @@
+print(f"made by grapes")
+import os
+import zlib
+import csv
+
+def calculate_crc32(file_path):
+    with open(file_path, "rb") as f:
+        checksum = 0
+        for chunk in iter(lambda: f.read(4096), b""):
+            checksum = zlib.crc32(chunk, checksum)
+    return checksum & 0xFFFFFFFF
+
+
+def scan_directory(directory):
+    """scan"""
+    print(f"scaning directory and calculateing the hash(es)")
+    results = []
+    for root, _, files in os.walk(directory):
+        for file in files:
+            file_path = os.path.join(root, file)
+            crc32 = calculate_crc32(file_path)
+            results.append((file, crc32))
+    return results
+
+
+def export_to_csv(results, output_file):
+    print(f"exporting")
+    """export"""
+    with open(output_file, mode="w", newline="", encoding="utf-8") as csv_file:
+        writer = csv.writer(csv_file)
+        writer.writerow(["file name", "crc32"])
+        for file_name, crc32 in results:
+            writer.writerow([file_name, format(crc32, "08X")])
+
+
+if __name__ == "__main__":
+    """variables"""
+    # keep r string otherwise it wont scan
+    directory_to_scan = r"C:\Users\xxxxxxxx"  # change directory. might only work if this script is on the same drive as path
+    output_csv_file = "output_crc.csv"
+    results = scan_directory(directory_to_scan)
+    export_to_csv(results, output_csv_file)
+
+    print(f"list has been exported to {output_csv_file}")