added merge pdfs, fixed jpgstopdf arg issues,

htmltomd.py

@@ -1,25 +1,54 @@
 import html2text
 import sys
+import os
 
-if len(sys.argv) != 3:
-    print("Usage: python html_to_md.py <input_html_path> <output_md_path>")
-    sys.exit(1)
+def main():
+    if len(sys.argv) != 3:
+        print("Usage: python html_to_md.py <input_html_path> <output_md_path>")
+        sys.exit(1)
 
-input_html_path = sys.argv[1]
-output_md_path = sys.argv[2]
+    input_html_path = sys.argv[1]
+    output_md_path = sys.argv[2]
 
-try:
-    with open(input_html_path, 'r') as html_file:
-        html_content = html_file.read()
-except Exception as e:
-    print(f"Error reading HTML file: {e}")
-    sys.exit(1)
+    # Check if input HTML file exists
+    if not os.path.isfile(input_html_path):
+        print(f"Error: The input HTML file '{input_html_path}' does not exist.")
+        sys.exit(1)
+
+    # Check if the output directory is writable
+    output_dir = os.path.dirname(output_md_path)
+    if output_dir and not os.access(output_dir, os.W_OK):
+        print(f"Error: The output directory '{output_dir}' is not writable.")
+        sys.exit(1)
+
+    try:
+        # Read HTML file content
+        with open(input_html_path, 'r', encoding='utf-8') as html_file:
+            html_content = html_file.read()
+    except FileNotFoundError:
+        print(f"Error: The input HTML file '{input_html_path}' was not found.")
+        sys.exit(1)
+    except PermissionError:
+        print(f"Error: Permission denied when reading '{input_html_path}'.")
+        sys.exit(1)
+    except Exception as e:
+        print(f"An unexpected error occurred while reading the HTML file: {e}")
+        sys.exit(1)
+
+    try:
+        # Convert HTML to Markdown
+        md_content = html2text.html2text(html_content)
+        # Write Markdown content to output file
+        with open(output_md_path, 'w', encoding='utf-8') as md_file:
+            md_file.write(md_content)
+        print(f"Conversion complete. Check the '{output_md_path}' file.")
+    except PermissionError:
+        print(f"Error: Permission denied when writing to '{output_md_path}'.")
+        sys.exit(1)
+    except Exception as e:
+        print(f"An unexpected error occurred while writing the Markdown file: {e}")
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main()
 
-try:
-    md_content = html2text.html2text(html_content)
-    with open(output_md_path, 'w') as md_file:
-        md_file.write(md_content)
-    print(f"Conversion complete. Check the {output_md_path} file.")
-except Exception as e:
-    print(f"Error writing Markdown file: {e}")
-    sys.exit(1)