shithub: trueawk

ref: 92f9e8a9be1e6ded911f66c5cb81f28093c5450e
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
}