This chapter of the TOS book was about fixing code and creating patches. I understood did not know going into this chapter what patches were but now that I've read a little, I understand the concept.
My group from CSCI 362 used the diff command in our project to compare the oracle for our test to our results to see if the test succeeded or failed.
A patch in this chapter is described as like what SVN stores for the difference between the different versions of the files. It does not hold copy after copy after copy of the file in the repository but only the changes from one version to the next.
Comparing two files seemed easy enough but I don't think comparing directories and all the files inside is easy to do.
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