shithub: trueawk

ref: 1c424b1b4d5931f2a4b87b6f0f75827bc53ff9d7
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
}