awk '{w++;s+=length($1)*$2;t+=$2}END{print "words ",t,w,t/w,"  chars ",s,s/t}'

                          words                  letters            sentences
                  total   diff.  repeat          total per word     total  words per
Shakespeare(all): 910655  23513  38.7          3696317  4.06        48101    18.9
Bible(KJV):       791829  12569  64.0          3224190  4.07        29811    26.6
Ulysses(Joyce):   268859  29020   9.3          1182287  4.40        23993    11.2
MobyDick:         214672  16693  12.8           935729  4.36        10119    21.2  
PridePrejudice:   122816   6258  19.6           536408  4.37         7141    17.2
TimeMachine:       32775   4579   7.1           140653  4.29         1832    17.9
AliceWonderland:   27338   2573  10.6           107690  3.94         1637    16.7
Peter and Wendy:   47382   4971   9.5           195745  4.13         3330    14.2
SherlockAdventurs:104403   8333  12.5           431734  4.13         7289    14.3
Billy Budd         30319   5857   5.2           143355  4.7          1195    25.3 


includes proper nouns. and variants of a word.

Number of sentences is sum of periods, !s, and ?s.