I am trying to compare 2 text files and output the first string in the comparison file that does not match but am having difficulty since I am very new to python. Can anybody please give me a sample way to use this module. When I try something like: result = difflib.SequenceMatcher(None, testFile, comparisonFile) I get an error sa...
Hi, I am using difflib to compare files in two directories (versions from consecutive years). First, i am using filecmp to find files that have changed and then iteratively using difflib.SequenceMatcher to compare them and generate a html diff as explained here. However, I find that the program is taking too long to run and python is u...
I have been using the Python difflib library to find where 2 documents differ. The Differ().compare() method does this, but it is very slow - atleast 100x slower for large HTML documents compared to the diff command. How can I efficiently determine where 2 documents differ in Python? (Ideally I am after the positions rather the actual t...
Is there an 'out-of-the-box' way in python to generate a list of differences between two texts, and then applying this diff to one file to obtain the other, later? I want to keep the revision history of a text, but I don't want to save the entire text for each revision if there is just a single edited line. I looked at difflib, but I c...