I wanted to know how many lines of code Drupal core has actually and I investigated it some days ago.
The returned numbers below mean lines of code respectively.
This is a blog of Goto Hayato (後藤隼人). I'm a Web / OSS engineer specialized in PHP / Drupal based development. I like system engineering, Python, Ruby, PHP, Drupal, zazen, piano, bouldering and napping. GitHub / drupal.org.