Heck, short awk programs are often written as one-liners that are invoked from the command line. I sometimes do this, but use a program file ("-f hithere.awk")

Heck, short awk programs are often written as one-liners that are invoked from the command line. I sometimes do this, but use a program file ("-f hithere.awk") for anything beyond semi-trivial. And I always use "--lint" with "-f".