shithub: trueawk

ref: a9ce3af09838cd6cfefedb9b3e37c2089af61be5
dir: /bugs-fixed/decr-NF.awk/

BEGIN {
	$0 = "a b c d e f"
	print NF
	OFS = ":"
	NF--
	print $0
	print NF
	NF++
	print $0
	print NF
}