Initial commit

scripts/jriver-replace-date-imported

@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+"""
+Replace JRiver date imported fields with date modified when the latter is earlier.
+"""
+
+import sys
+from pathlib import Path
+
+
+def get_import_date(line: str) -> int:
+    """Extract and return the date imported value from a date imported field."""
+    date = line.lstrip('<Field Name="Date Imported">').rstrip('</Field>\n')
+    return int(date)
+
+
+def get_create_date(line: str) -> int:
+    """Extract and return the date modified value from a date modified field."""
+    date = line.lstrip('<Field Name="Date Modified">').rstrip('</Field>\n')
+    return int(date)
+
+
+def main() -> None:
+    """Main function to process JRiver library file."""
+    if len(sys.argv) != 3:
+        print("Usage: jriver-replace-date-imported <input_file> <output_file>", file=sys.stderr)
+        sys.exit(1)
+
+    in_file = Path(sys.argv[1])
+    out_file = Path(sys.argv[2])
+
+    if not in_file.exists():
+        print(f"[ERROR] Input file '{in_file}' does not exist.", file=sys.stderr)
+        sys.exit(1)
+
+    # Read input file
+    with open(in_file, "r", encoding="utf-8") as f:
+        lines = f.readlines()
+
+    # Process lines and replace dates where appropriate
+    import_date: int = 0
+    date_imported_line: int = 0
+    replacements = 0
+
+    for lnum, line in enumerate(lines):
+        if '<Field Name="Date Imported">' in line:
+            import_date = get_import_date(line)
+            date_imported_line = lnum
+        elif '<Field Name="Date Modified">' in line:
+            create_date = get_create_date(line)
+            if create_date < import_date:
+                print(f"[INFO] Replacing {import_date} with {create_date} at line {date_imported_line}")
+                lines[date_imported_line] = f'<Field Name="Date Imported">{create_date}</Field>\n'
+                replacements += 1
+
+    # Write output file
+    with open(out_file, 'w', encoding="utf-8") as f:
+        f.writelines(lines)
+
+    print(f"[SUCCESS] Made {replacements} replacements. Output written to '{out_file}'.")
+
+
+if __name__ == "__main__":
+    main()