The first two can be done with wc: ls | wc -l ls | grep .py | wc -l

		Denvercoder9 on Aug 10, 2014 \| parent \| context \| favorite \| on: Show HN: Pythonpy – the swiss army knife of the co... The first two can be done with wc: `ls \| wc -l ls \| grep .py \| wc -l`