github.com/benhoyt/goawk@v1.8.1/testdata/t.time (about)

     1  BEGIN {
     2  	FS = "-"
     3  }
     4  /sh$/ {
     5  	n++
     6  	l = length($NF)
     7  	s += l
     8  	ck %= l
     9  	totck += ck
    10  	print
    11  }
    12  END {
    13  	if (n > 0) {
    14  		printf "%d %d %d %fn\n", totck, n, s, s/n
    15  	}
    16  	else
    17  		print "n is zero"
    18  }