Przykład z pętlą for: dzielenie pliku na poszczególne słowa:

[adam@etoh ~]$ more flagg
Flagg's law of communication
When all other means of communication fail, try words.

[adam@etoh ~]$ awk '{for (i=1;i <= NF;i++) print($i)}' flagg
Flagg's
law
of
communication
When
all
other
means
of
communication
fail,
try
words.