Text difference algorithm

I need an algorithm that can compare two text files and highlight their difference and ( even better!) can compute their difference in a meaningful way (like two similar files should have a similarity score higher than two dissimilar files, with the word “similar” defined in the normal terms). It sounds easy to implement, but it’s not.

Recursive diff of two dictionaries (keys and values)?

So I have a python dictionary, call it d1, and a version of that dictionary at a later point in time, call it d2. I want to find all the changes between d1 and d2. In other words, everything that was added, removed or changed. The tricky bit is that the values can be ints, strings, lists, or dicts, so it needs to be recursive. This is what I have so far:

How do I diff the outputs of two commands?

This question already has an answer here: Diff the output of two `awk` commands (1 answer) Closed 3 years ago. How can I use the diff command to compare 2 commands’ outputs? Does something like this exist? diff ($cat /etc/passwd) ($cut -f2/etc/passwd) Answers: Thank you for visiting the Q&A section on Magenaut. Please note that … Read more