Based on the script by Robert Webb found at [help eval-examples] to sort lines, I made some modifications to enable Sort() to sort lines according to word number count. I defined words to be clusters of non-whitespace characters separated by whitespace characters. For example, the line "while (k == 0)" has 4 words. To use, get into visual-block mode (hit Ctrl-V from normal mode, or Ctrl-Q in Windows) and highlight the lines you wish to sort. Then hit or other key mapping of your choice. You will be prompted to enter a number, which is the word number count from the left. Example: