How to set the last modified time of a file from python?

How to set the last modified time of a file from python?

To set the last modified time (mtime) of a file in Python, you can use the os module along with the os.utime() function. Here's how you can set the last modified time of a file:

import os import time # Specify the file path file_path = "example.txt" # Get the current time (you can use a specific timestamp if desired) new_mtime = time.time() # Set the last modified time of the file os.utime(file_path, (new_mtime, new_mtime))

In this code:

  1. You import the os and time modules.

  2. Specify the file_path variable with the path to the file for which you want to set the last modified time.

  3. Use time.time() to get the current time as a timestamp in seconds since the epoch (Unix timestamp). You can replace this with any desired timestamp if you want to set a specific modification time.

  4. Finally, use os.utime(file_path, (new_mtime, new_mtime)) to set the last modified time of the file specified by file_path to the new_mtime. The os.utime() function takes a tuple with two elements: the access time (atime) and the modified time (mtime). In this case, we set both atime and mtime to the same value, new_mtime.

After running this code, the last modified time of the specified file will be updated to the value of new_mtime.

Examples

  1. How to set the last modified time of a file in Python?

    • Description: Setting the last modified time of a file programmatically is useful for file management tasks. Here's how you can achieve this in Python.
    • Code:
      import os import time # Specify the path of the file file_path = 'example.txt' # Get the current time current_time = time.time() # Set the last modified time of the file os.utime(file_path, (current_time, current_time))

  2. Python code to modify last modified time of a file

    • Description: Modifying the last modified time of a file can be done using Python's os module. Here's a code snippet demonstrating how to do it.
    • Code:
      import os import time # Path to the file file_path = 'example.txt' # Get the desired modified time (in seconds since epoch) modified_time = time.time() - 3600 # Subtract an hour for example # Set the last modified time of the file os.utime(file_path, (modified_time, modified_time))

  3. Change last modified time of a file in Python

    • Description: Changing the last modified time of a file using Python is straightforward. Here's how you can accomplish this task.
    • Code:
      import os import time # File path file_path = 'example.txt' # New modified time new_modified_time = time.time() # Current time # Set the last modified time os.utime(file_path, (new_modified_time, new_modified_time))

  4. How to modify file's last modified time in Python?

    • Description: Modifying a file's last modified time in Python is a common operation. Here's a simple code snippet to achieve this task.
    • Code:
      import os import time # File path file_path = 'example.txt' # New modified time (in seconds since epoch) new_modified_time = time.mktime((2024, 4, 12, 10, 30, 0, 0, 0, 0)) # Example: April 12, 2024, 10:30 AM # Set the last modified time os.utime(file_path, (new_modified_time, new_modified_time))

  5. Python script to set last modified time of a file

    • Description: Creating a Python script to set the last modified time of a file is helpful for automation tasks. Here's how you can create one.
    • Code:
      import os import time def set_last_modified_time(file_path, new_time): os.utime(file_path, (new_time, new_time)) if __name__ == "__main__": file_path = 'example.txt' new_modified_time = time.time() # Set to current time set_last_modified_time(file_path, new_modified_time)

  6. Python code snippet to update file's last modified time

    • Description: Updating a file's last modified time using a Python code snippet is simple. Here's how you can accomplish this task.
    • Code:
      import os import time # File path file_path = 'example.txt' # New modified time (in seconds since epoch) new_modified_time = time.time() # Current time # Set the last modified time os.utime(file_path, (new_modified_time, new_modified_time))

  7. How to set last modified time of a file in Python using os module?

    • Description: Utilizing Python's os module, you can easily set the last modified time of a file. Here's a code snippet demonstrating this.
    • Code:
      import os import time # File path file_path = 'example.txt' # New modified time (in seconds since epoch) new_modified_time = time.time() # Current time # Set the last modified time os.utime(file_path, (new_modified_time, new_modified_time))

  8. Python function to change file's last modified time

    • Description: Writing a Python function to change a file's last modified time allows for reusability. Here's a function to accomplish this.
    • Code:
      import os import time def change_last_modified_time(file_path, new_time): os.utime(file_path, (new_time, new_time)) # Example usage file_path = 'example.txt' new_modified_time = time.time() # Set to current time change_last_modified_time(file_path, new_modified_time)

  9. Python code to set last modified time of a file to current time

    • Description: Setting the last modified time of a file to the current time using Python is straightforward. Here's a code snippet demonstrating this.
    • Code:
      import os import time # File path file_path = 'example.txt' # Set the last modified time to current time os.utime(file_path)

  10. How to update last modified time of a file in Python script?

    • Description: Updating the last modified time of a file using a Python script is a common task. Here's how you can create such a script.
    • Code:
      import os import time # File path file_path = 'example.txt' # New modified time (in seconds since epoch) new_modified_time = time.time() # Current time # Set the last modified time os.utime(file_path, (new_modified_time, new_modified_time))

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