How does a 'diff' algorithm work, e.g. in VCDIFF and DiffMerge?
Here is a page that includes a bit of documentation, full source code, and examples of a diff algorithm using the techniques in the aforementioned algorithm. The source code appears to follow the basic …
Is there a way to diff files from C++? - Stack Overflow
Sep 20, 2009 · I'm looking for a C or C++ diff library. I know I can use the Unix diff tool in combination with system or exec, but I really want a library. It would be handy if the library could perform patche...
Shortest way to calculate difference between two numbers?
include <algorithm> int diff = std::max(x,y)-std::min(x,y); This does two comparisons and one operation (this one is unavoidable but could be optimized through certain bitwise operations with specific …
git - What does diff.mnemonicprefix do? - Stack Overflow
Jan 19, 2015 · git -c diff.mnemonicprefix=false This is what the git docs say about this option: diff.mnemonicprefix If set, git diff uses a prefix pair that is different from the standard "a/" and "b/" …
c - How to diff just the source files? - Stack Overflow
the diff command only support --exclude, but I would like to do something like diff -wbur --include='*.c,*.h' tree1 tree2 I know that this question is somewhat related, but does not really address my issue.
Comparing two files in Linux terminal - Stack Overflow
Jan 24, 2013 · 64 If you prefer the diff output style from git diff, you can use it with the --no-index flag to compare files not in a git repository: git diff --no-index a.txt b.txt Using a couple of files with around …
Why in examples of git diff output I see a/file.txt b/file.txt but in ...
Nov 9, 2014 · 3 Ok, I have found the core reason for this. It is because of use git config --global diff.mnemonicprefix true - "Tell git diff to use mnemonic prefixes (index, work tree, commit, object) …
Using 'diff' (or anything else) to get character-level diff between ...
Nov 12, 2009 · I'd like to use 'diff' to get a both line difference between and character difference. For example, consider: abcde abc abcccd abcde ab abccc diff -u gives: @@ -1,3 +1,3 @@ abcde -abc …
c - Subtract two timespec objects; find difference in time or duration ...
Aug 16, 2021 · (time_stop.tv_sec - time_start.tv_sec) + 1.0e-9 * (time_stop.tv_nsec - time_start.tv_nsec); Does a function to find the difference in time between two struct timespec …
shell - Compare two files line by line and generate the difference in ...
Jan 11, 2017 · I tried diff but it generates some numbers and other symbols in front of different lines that makes it difficult for me to compare files.