Use find, wc, and sed to count lines

Question

I was trying to use sed to count all the lines based on a particular extension.

find -name \'*.m\' -exec wc -l {} \\; | sed ...

I was tryi

Answer 1

Hm, solution with cat may be problematic if you have many files, especially big ones.

Second solution doesn't give total, just lines per file, as I tested.

I'll prefer something like this:

find . -name '*.m' | xargs wc -l | tail -1

This will do the job fast, no matter how many and how big files you have.