Updated CLI instructions for load_imdb.py

Author: stiffneckjim

README.md

@@ -14,18 +14,23 @@ You can download the TSV from [IMDb Non-Commercial Datasets](https://developer.i
 ### Command-line arguments
 
 ``` shell
-usage: load_imdb.py [-h] [--output_format {csv,sqlite}] [--db_file DB_FILE] [--output_dir OUTPUT_DIR] input_dir
+❯ poetry run python load_imdb.py -h
+usage: load_imdb [-h] [-f {csv,sqlite}] [-d DB_FILE] [-o OUTPUT_DIR] [-c CHUNK_SIZE] input_dir
 
 Process TSV files from IMDb and save to CSV or SQLite.
 
 positional arguments:
-  input_dir             Directory that contains the input TSV files
+  input_dir             Directory that contains the input TSV files (default: input)
 
 options:
   -h, --help            show this help message and exit
-  --output_format {csv,sqlite}
-                        Output format: csv or sqlite
-  --db_file DB_FILE     Path to the SQLite database file (required if output is sqlite)
-  --output_dir OUTPUT_DIR
+  -f {csv,sqlite}, --output_format {csv,sqlite}
+                        Output format: csv or sqlite (default: csv)
+  -d DB_FILE, --db_file DB_FILE
+                        Path to SQLite database file - required if output is sqlite (default:imdb.sqlite)
+  -o OUTPUT_DIR, --output_dir OUTPUT_DIR
+                        Path to the output CSV file - required if output is csv (default:data)
+  -c CHUNK_SIZE, --chunk_size CHUNK_SIZE
+                        Block size in bytes when processing files (default: 1048576)
                         Path to the output CSV file (required if output is csv)
 ```