shithub: trueawk

ref: 0da7e5331dce8d2c74b5de473a0659d4e2fb30a2
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
}