import os
mypath = os.getcwd()
patterns = ['trunkate', 'delete']
found_string = list()
all_files = list()

for dirpath, subdirs, files in os.walk(mypath):
    all_files.extend(os.path.join(dirpath, x) for x in files)
all_files.pop(0)


for file in all_files:
    with open(file, 'r') as open_file:
        file_body = open_file.readlines()
    for num_line, line_text in enumerate(file_body):
        for pat in patterns:
            if pat in line_text.lower():
                found_string.append((str(file), str(num_line), str(pat)))
print("FilePath;NumberLine;Pattern")
for i in found_string:
    print(f"{i[0]};{i[1]};{i[2]}")

with open("output.txt", 'w') as file:
    file.write("FilePath;NumberLine;Pattern\n")
    for i in found_string:
        file.write(f"{i[0]};{i[1]};{i[2]}\n")