Find duplicate lines in a file and count how many time each line was duplicated?
Suppose I have a file similar to the following: 123 123 234 234 123 345 I would like to find how many times ‘123’ was duplicated, how many times ‘234’ was duplicated, etc. So ideally, the output would be like: 123 3 234 2 345 1 7 s 7 Assuming there is one number per … Read more