better terminal width detection

Author: datsom1

db_diff/cli.py

@@ -4,8 +4,12 @@
 import os
 import datetime
 import csv
+import shutil  # Add this import
 from . import load_csv, load_json, compare, human_text, streaming_compare_csv
 
+# Get terminal width for better help formatting
+TERMINAL_WIDTH = shutil.get_terminal_size().columns
+
 DIALECTS = {
     "csv": "excel",
     "tsv": "excel-tab",
@@ -45,7 +49,10 @@ def load(filename, key, input_format, encoding="utf-8"):
         raise click.ClickException(f"Failed to load '{filename}': {e}")
 
 @click.command(
-    context_settings={"help_option_names": ["-h", "--help"]},
+    context_settings={
+        "help_option_names": ["-h", "--help"],
+        "max_content_width": TERMINAL_WIDTH  # Set the max width to terminal width
+    },
     help="Compare the differences between two CSV or JSON files to find differences.",
     epilog="Example: db-diff old.csv new.csv --key=Id --output=jsonfile --outfilename=diff.json",
     no_args_is_help=True,