import os

class TextFinder:
    def __init__(self, folder):
        self.folder = folder

    def find_matches(self, text):
        matches = []
        for root, _, files in os.walk(self.folder):
            for file in files:
                print(file)
                file_path = os.path.join(root, file)

                if os.path.isfile(file_path):
                    print(file_path)
                    with open(file_path, 'r', encoding='utf-8') as f:
                        content = f.read()
                        index = content.find(text)
                        while index != -1:
                            start = max(content.rfind('\n', 0, index), content.rfind('\n', 0, index))
                            #start = max(content.rfind('\n', 0, index))
                            end = min(content.find('\n', index), content.find('\n', index))
                            #end = min(content.find('\n', index))
                            if start != -1 and end != -1:
                                matches.append(content[start+1:end].strip())
                            index = content.find(text, index + 1)
        return matches

# Example usage:
if __name__ == "__main__":
    finder = TextFinder('example_folder')
    matches = finder.find_matches('text_to_find')
    print(matches)