Sed and Awk tutorials posted January 2015
I just ran into amazing tutorials for sed and awk, two famous text processing tools on unix.
If you are on firefox I advise you to disable CSS (View > Page Style > No Style)
$ echo day | sed s/day/night/ night
There are still many text processing tools I need to learn, like strip, strings, xdd, grep, tr, xargs, cut, sort, tail, split, wc, uniq...