Jul 19, 2012 · In any case, the GC will close the file handle when it collects the file object, therefore as long as you don't have extra references to the file object and you don't disable GC …

How do I read every line of a file in Python and store each line as an element in a list? I want to read the file line by line and append each line to the end of the list.

The quick answer: f=open('filename') lines=f.readlines() print lines[25] print lines[29] or: lines=[25, 29] i=0 f=open('filename') for line in f: if i in lines: print i i+=1

Use python's file seek() and tell() in each parallel worker to read the big text file in strips, at different byte offset start-byte and end-byte locations in the big file, all at the same time …

Feb 20, 2010 · step : Number of characters to load into chunk buffer (i.e. chunk size) """ # Store the end of file (EOF) position as we are advancing backwards from there file_end_pos = …

Jan 12, 2017 · Here's the the problem I have, I'm trying to have a python script search a text file, the text file has numbers in a list and every number corresponds to a line of text and if the …

help on file.readlines: In [46]: file.readlines? Type: method_descriptor String Form:<method 'readlines' of 'file' objects> Namespace: Python builtin Docstring: readlines([size]) -> list of …

Jun 25, 2011 · A user would never use the approach suggested for reading in a JSON file, its role is to evaluate the MT approach for full line by line processing to both increase speed and …

This will read the entire file into memory at once, so it's only practical if you're reading a fairly small file. – Hayden Schiff Commented Dec 4, 2018 at 3:56

Nov 11, 2015 · So I have this text file (.txt) with lines that look something like this: 'X', ['X', 'a', ... , 'b'], 'There should be 5 of X in this vector' And what I want is to define a function that reads this …