Add empty value to cell by bash -

i need put empty value cell in csv file bash. add row , and of file. used input parameters like

echo "add name"   read name  echo "add country"  read country  echo "age"  read age 

i use

(sed -i '$ '$name'\;'$country'\;'$age'\;;' file 

output

name country age 

but not have county, need put empty value. output be

name       24 

thanks help.

you can use following syntax using csv (comma saperated)

echo "$name,$country,$age" >> file 

the above line gives empty cell in case if no entry given.