Why doesn't git recognize that my file has been changed, therefore git add not working

Question

I am trying to push my files to github using bash. They are already on there, and I am uploading a newer version with new lines and code, etc. But when I try git add<

Answer 1

It happend to me as well, I tried the above mentioned methods and nothing helped. Then the solution was to change the file via terminal, not GUI. I do not know why this worked but worked. After I edited the file via nano from terminal git recognized it as changed and i was able to add it and commit.