Tagged with #shell

I am installing nodejs inside a docker container and have this line in the Dockerfile:

You know cat file.txt which prints all the lines in a file from first to last. But what if you want to print them from last to first? Easy, just write cat backwards, which is tac voila.

Another tool I have to look at!? Just found via this article.

I don't know why shelljs hasn't found me earlier :(