shithub: kwa

ref: 5086f3453d6716d6dcd782a45831c1ebb0f2b115
dir: /test/t.time/

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BEGIN {
	FS = "-"
}
/sh$/ {
	n++
	l = length($NF)
	s += l
	ck %= l
	totck += ck
	print
}
END {
	if (n > 0) {
		printf "%d %d %d %fn\n", totck, n, s, s/n
	}
	else
		print "n is zero"
}