I have a problem to parse 1000's of text files(around 3000 lines in each file of ~400KB size ) in a folder. I did read them using readlines, for filename in os.listdir (input_dir) : if filename...

How to you delete a specific line from a text file using readlines() like: f_open = open("textfile.txt", "r") lines = f_open.readlines() How do you use lines to choose a line in textfile.txt an...

I've seen this question asked here, but the answers given did not work in my case and was marked duplicate. python -u does not work for stdin in Python 3. sys.stdin = sys.stdin.detach() throws a ...

I've read in "Dive into Python 3" that: "The readlines() method now returns an iterator, so it is just as efficient as xreadlines() was in Python 2". See: Appendix A: Porting ...

Everytime I'm executing my Python script, it appears to hang on this line: lines = sys.stdin.readlines() What should I do to fix/avoid this? EDIT Here's what I'm doing with lines: lines = sys...

I have a file I read from that looks like: 1 value1 2 value2 3 value3 The file may or may not have a trailing \n in the last line. The code I'm using works great, but if there is an trailing \n...

In Python 2, file objects had an xreadlines() method which returned an iterator that would read the file one line at a time. In Python 3, the xreadlines() method no longer exists, and realines() st...