3 ms·

Fun fact: this problem is why grep was created by Ken Thompson [1]. [1] https://youtu.be/NTfOnGZUZDk https://youtu.be/NTfOnGZUZDk

• neonate 8y ago
  That was on HN yesterday. https://news.ycombinator.com/item?id=17478260 https://news.ycombinator.com/item?id=17478260
  • berti 8y ago
    Neat! Kernighan really is pleasant listening as noted on that post.