Loop through a comma-separated shell variable

Question

Suppose I have a Unix shell variable as below

variable=abc,def,ghij

I want to extract all the values (abc, def an

Answer 1

Not messing with IFS
Not calling external command

variable=abc,def,ghij
for i in ${variable//,/ }
do
    # call your procedure/other scripts here below
    echo "$i"
done

Using bash string manipulation http://www.tldp.org/LDP/abs/html/string-manipulation.html