cloc

Count, and compute differences of, lines of source code and comments. More information: https://github.com/AlDanial/cloc.

Count all the lines of code in a directory:

cloc {{/path/to/directory}}

Count all the lines of code in a directory, displaying a progress bar during the counting process:

cloc --progress=1 {{/path/to/directory}}

Compare 2 directory structures and count the differences between them:

cloc --diff {{/directory/one}} {{/directory/two}}