ironpython2001

git checkout <branch-name>

ironpython2001

https://stackoverflow.com/questions/35978550/how-to-show-uncommitted-changes-in-git-and-some-git-diffs-in-detail
git diff

https://stackoverflow.com/questions/8554776/how-to-filter-git-diff-based-on-file-extensions
git diff -- '***.py'

ironpython2001

git whatchanged --name-only --pretty="" *.xaml *.cs

or 
git whatchanged --oneline --name-only

https://stackoverflow.com/questions/25289469/how-to-find-list-of-unique-files-that-have-changed
https://stackoverflow.com/questions/10641361/get-all-files-that-have-been-modified-in-git-branch


find list of unique files that changed

ironpython2001

git diff two files in different branches
D:\pathofrepo>git diff origin/branch1 origin/branch2 -- pathtofile/filename.cs


if you want to ignore white spaces
git diff -b origin/branch1 origin/branch2 -- pathtofile/filename.cs

reference:
https://stackoverflow.com/questions/4350678/git-diff-w-ignore-whitespace-only-at-start-end-of-lines