Shell Programming and Scripting

file1.csv
a,JunJun,Binay,b,c - where in JunJun,Binay is consider only as 1 field. because of the comma delimeter it will display it as 2 fields which is wrong.

wrong output:
a,JunJun,Binay,b,c

Expected Output in csv file
HeaderA HeaderB HeaderC HeaderD
a,JunJun,Binay,b,c
where in
Field 1 = a
Field 2 = JunJun,Binay
Field 3 = b
Field 4 = c

 awk -F "," '{print $1,$2,$3,$4}' file1.csv

awk -F, '{$2=$2 "," $3; $3=$4; print $1,$2,$3}' OFS=, file1.csv

awk -F, '{$2=$2 "," $3; $3=$4; print $1,"\"" $2 "\"", $3}' OFS=, file1.csv

awk -F, '{$2="\"" $2 "," $3 "\""; $3=$4; print $1, $2, $3}' OFS=, file1.csv

awk -F, '{$2="\"" $2 "," $3 "\""; $3=$4; print $1, $2, $3, $4}' OFS=, file.csv

output:
a,"JunJun,Binay",b,b