Oct 22, 2013 · I am very new to programming and the python language. I know how to open a file in python, but the question is how can I open the file as a parameter of a function? example: …

401 Python allows putting multiple open() statements in a single with. You comma-separate them. Your code would then be: def filter(txt, oldfile, newfile): '''\ Read a list of names from a file line …

Jun 3, 2010 · What is the best way to open a file as read/write if it exists, or if it does not, then create it and open it as read/write? From what I read, file = open ('myfile.dat', 'rw') should do …

The following is an example of how you might write and read a pickle file. Note that if you keep appending pickle data to the file, you will need to continue reading from the file until you find …

On Python 3.4, the pathlib module was added, and the following code will reliably open a file in the same directory as the current script: from pathlib import Path

Jan 16, 2011 · When you open with "a" mode, the write position will always be at the end of the file (an append). You can open with "a+" to allow reading, seek backwards and read (but all …

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 …

Aug 24, 2011 · Suppose my python code is executed a directory called main and the application needs to access main/2091/data.txt. how should I use open (location)? what should the …

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 they open the …

Automatically creating directories with file output [duplicate] Asked 13 years, 1 month ago Modified 3 years, 2 months ago Viewed 540k times