Stupid command-line trick: Counting the number of lines in stdin

Raymond ChenAugust 25, 2011Aug 25, 201108/25/11

On unix, you can use wc -l to count the number of lines in stdin. Windows doesn't come with wc, but there's a sneaky way to count the number of lines anyway: It is a special quirk of the find command that the null string is treated as never matching. The /v flag reverses the sense of the test, so now it matches everything. And the /c flag ...