파일 모드

파일 모드

파일 모드란 무엇인가요?

읽기 모드 ('r')

# Opens the file in read mode
with open("example.txt", "r") as file:
    content = file.read()
    print(content)
# Output: Prints the content of the file

쓰기 모드 ('w')

# Opens the file in write mode
with open("example.txt", "w") as file:
    file.write("This is a new file.")
# Output: Overwrites the file with new content

추가 모드 ('a')

# Opens the file in append mode
with open("example.txt", "a") as file:
    file.write("\nThis line is appended.")
# Output: Adds a new line to the file

단독 생성 모드 ('x')

# Opens the file in exclusive creation mode
try:
    with open("newfile.txt", "x") as file:
        file.write("This file is created exclusively.")
    print("File created successfully!")
except FileExistsError:
    print("Error: File already exists.")
# Output: Creates a new file or throws an error if it exists

바이너리 모드 ('b')와 모드 조합하기

# Opens an image file in binary read mode
with open("image.jpg", "rb") as file:
    binary_data = file.read()
    print("Binary data read successfully!")
# Output: Reads binary content of the file

올바른 모드 선택하기

# Opens the file in write mode
with open("data.txt", "w") as file:
    file.write("This is new content.")