#!/bin/sh
for yob in `seq 1880 2012`
do
echo $yob
gawk '
 BEGIN { while(getline < "CasList1.txt") Cas[$1] = 1 
               FS="," }
 { thisname = tolower($1)
   if(Cas[thisname]) Total[thisname] += $3 }
 END { for (name in Total) printf("%s %d\n", name, Total[name]) }
' yob"$yob".txt > 100yob"$yob".txt
done