The second command is supposed to print only the css rules that appeared in the output of the first command... that's how it usually works here.
To get a count of the occurrences of each class, you can use something like:
Code:
for i in $(pcregrep -o -h 'class=".+?"' * | sort -u); do echo "$i $(grep -r $i | wc -l)"; done | sort -t ' ' -k2 -nr
this should print a list sorted in a descending order based on the occurrences count, something like:
Code:
class="di" 54
class="body" 52
class="toccn" 50
class="dropcap" 44
class="cotx" 44
class="cn" 44
class="acl" 14
class="p3" 6
class="crt1" 5
class="ull" 4
class="crt" 4
class="pt" 3