12892SdfrBEGIN {
24949Sbde	FS = "-"
32892Sdfr}
42892Sdfr/sh$/ {
52892Sdfr	n++
62892Sdfr	l = length($NF)
72892Sdfr	s += l
82892Sdfr	ck %= l
92892Sdfr	totck += ck
102892Sdfr	print
112892Sdfr}
124949SbdeEND {
132892Sdfr	if (n > 0) {
142892Sdfr		printf "%d %d %d %fn\n", totck, n, s, s/n
152892Sdfr	}
162892Sdfr	else
17		print "n is zero"
18}
19