How do you reverse the contents of a file in Python?

How do you reverse the contents of a file in Python?

Python Program to Read the Contents of a File in Reverse Order

1. Take the file name from the user.
2. Read each line from the file using for loop and store it in a list.
3. Print the elements of list in reverse order.
4. Exit.

What is the command is used to eliminate duplicate in files?

The uniq command is used to remove duplicate lines from a text file in Linux. By default, this command discards all but the first of adjacent repeated lines, so that no output lines are repeated. Optionally, it can instead only print duplicate lines. For uniq to work, you must first sort the output.

How do you read a file from the bottom in Python?

Python – Backward File Reading

1. with open (“Path\GodFather.txt”, “r”) as BigFile: data=BigFile.
2. from file_read_backwards import FileReadBackwards with FileReadBackwards(“Path\GodFather.txt”, encoding=”utf-8″) as BigFile: # getting lines by lines starting from the last line up for line in BigFile: print line.

How to reverse the Order of lines in a text file?

To reverse the order of the lines in a text file using PowerShell, use this command-line syntax from a PowerShell window: Make a VBScript file from the following contents. To do so, open Notepad, copy the following lines into it and save the file with .vbs extension — e.g. reverse_text_file.vbs ‘Script to reverse the lines in a text file.

How to reverse data from one text file to another?

So we will write some text in a first text file by passing data to reverse function and then in reverse function we will copy the reverse of its data to another text file. Step 1: Calling reverse function with text that is needed to be contained in the first text file i.e. passing sample input of text file.

How to reverse the content of a file?

1 Calling reverse function with text that is needed to be contained in the first text file i.e. passing sample input of text file. 2 Opening file in writing mode and writing “str” into first text file here: in file Geeks.txt 3 Storing the location of end of first text file in the variable “pos” and the closing the file.

How to print lines between two matching patterns?

I can think of a method using grep -n | cut -f1 -d: twice to get the two line numbers then tail and head to get the section I want, but I’m hoping for a cleaner way. Maybe awk is a better tool for this task? When I get this working, I hope to tie this into a git hook.