shithub: trueawk

ref: d9ad01cd66f6f126bb86a12016e5f4408e35b0c6
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
}