Counting no of spl character occurance column wise

Shell Programming and Scripting
1

Hi i have a file delimited with ","as below and i need to handle scenario like col1,col2 fields have special character '|', i need count of special character value column wise as given in col3 and col4. pls help me to reslove this.

Source file

name,col1,col2,col3,col4
one,2,3
two,2|3,2|3
two,2|3,2|3
five,2|3|4|9|2,2|3|4|9|2
five,2|3|4|9|2,2|3|4|9|2
five,2|3|4|9|2,2|3|4|9|2
five,2|3|4|9|2,2|3|4|9|2
five,2|3|4|9|2,2|3|4|9|2

Target output

name,col1,col2,col3,col4
one,2,3,0,0
two,2|3,2|3,1,1
two,2|3,2|3,1,1
five,2|3|4|9|2,2|3|4|9|2,4,4
five,2|3|4|9|2,2|3|4|9|2,4,4
five,2|3|4|9|2,2|3|4|9|2,4,4
five,2|3|4|9|2,2|3|4|9|2,4,4
five,2|3|4|9|2,2|3|4|9|2,4,4
2

Try:

awk 'NR==1; NR>1{ print $0, gsub(/\|/,x,$2), gsub(/\|/,x,$3) }' FS=, OFS=, infile
3

Thanks a lot for your quick reply and It is working fine :).