import json
import os

def replace_flag_in_json(directory):
    for root, dirs, files in os.walk(directory):
        for file in files:
            if file.endswith('.json'):
                file_path = os.path.join(root, file)
                try:
                    with open(file_path, 'r', encoding='utf-8') as f:
                        content = f.read()
                    
                    if '"Test Tube Merchant":' in content:
                        content = content.replace('"Test Tube Merchant":', '"test_tube_merchant":')                        
                        with open(file_path, 'w', encoding='utf-8') as f:
                            f.write(content)
                        print(f'Updated: {file_path}')
                except Exception as e:
                    print(f'Error processing {file_path}: {str(e)}')

if __name__ == '__main__':
    items_dir = 'f:/work/foundry/v13data/Data/modules/test_tube_merchant/items'
    replace_flag_in_json(items_dir)