Initial commit - iis2csv.py script

iis2csv.py

@@ -0,0 +1,49 @@
+# Standard imports
+import csv
+import sys
+import os
+
+def convert_iis_log_to_csv(iis_log_path):
+    try:
+        with open(iis_log_path, 'r', encoding='utf-8') as log_file:
+            lines = log_file.readlines()
+    except FileNotFoundError: # Oop, file not found
+        print(f"Error: File not found: {iis_log_path}")
+        sys.exit(1)
+
+    # Set up some arrays
+    field_names = []
+    data_lines = []
+
+    # Read the file
+    for line in lines:
+        line = line.strip()
+        if line.startswith("#Fields:"): # Look for the Fields line in the IIS log and use that to make column headers
+            field_names = line[len("#Fields:"):].strip().split()
+        elif line.startswith("#") or not line:
+            continue  # Skip any blank or commented lines
+        else:
+            data_lines.append(line.split())
+
+    if not field_names: # If no Fields line, it'll error, so you really want the Fields line in the file
+        print("Error: No '#Fields:' line found in the log file.")
+        sys.exit(1)
+
+    base_name = os.path.splitext(os.path.basename(iis_log_path))[0]
+    output_csv_path = f"{base_name}.csv" # The CSV will be the same file name as the log file
+
+    # Create the CSV
+    with open(output_csv_path, 'w', newline='', encoding='utf-8') as csv_file:
+        writer = csv.writer(csv_file)
+        writer.writerow(field_names)
+        writer.writerows(data_lines)
+
+    print(f"Conversion complete. CSV written to: {output_csv_path}")
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2:
+        print("Usage: python convert_iis_log.py <iis_log_file>") # The most obvious help statement ever
+        sys.exit(1)
+
+    iis_log_path = sys.argv[1]
+    convert_iis_log_to_csv(iis_log_path)