Jul 11, 2011 · Is there a way to open a file for both reading and writing? As a workaround, I open the file for writing, close it, then open it again for reading. But is there a way to open a file for …

May 28, 2011 · When the file is opened in text mode (the default), it is translated automatically to the correct line ending for the current platform. Writing "\r\n" would produce "\r\r\n" which is …

Oct 3, 2025 · In Python's built-in open function, what is the difference between the modes w, a, w+, a+, and r+? The documentation implies that these all allow writing to the file, and says that …

Jan 16, 2011 · On some operating systems, opening the file with 'a' guarantees that all your following writes will be appended atomically to the end of the file (even as the file grows by …

I'm having some brain failure in understanding reading and writing text to a file (Python 2.4).

Jun 3, 2010 · The file pointer is at the end of the file if the file exists. The file opens in the append mode. If the file does not exist, it creates a new file for reading and writing. - Python file modes …

When you say "replace the old content that's in the file with the new content", you need to read in and transform the current contents data = file.read(). You don't mean "blindly overwrite it …

Apr 19, 2010 · Additionally, Python will convert line endings (\n) to whatever the platform-specific line ending is, which would corrupt a binary file like an exe or png file. Text mode should …

How do I using with open() as f: ... to write the file in a directory that doesn't exist. For example:

I want to create a file and write some integer data to it in python. For example, I have a variable abc = 3 and I am trying to write it to a file (which doesn't exist and I assume python will creat...