$ grep -rl "#sorting" ./posts/
#Sorting
5 entries./interview/12-27215. Kth Largest Element in an ArrayCoding11-05147. Insertion Sort ListCoding11-051051. Height CheckerCoding11-05912. Sort an ArrayCoding11-0575. Sort ColorsCoding
$ cd .. — all tags
$ grep -rl "#sorting" ./posts/
./interview/12-27215. Kth Largest Element in an ArrayCoding11-05147. Insertion Sort ListCoding11-051051. Height CheckerCoding11-05912. Sort an ArrayCoding11-0575. Sort ColorsCoding
$ cd .. — all tags