I have a file as follows

******************************************
cccccccccc

aaaaaaaaaa

bbbbbbbbbb

cccccccccc

dddddddddd

cccccccccc
******************************************


I want to search for "cccccccc" which exists between "bbbbbbbb" and "dddddddd."

Can someone through me a hint/thought .

Thanks
Srini

man awk.

awk '/^*****************/, /^******************/ { ... more stuff ... }'

Perhaps try something like this...

while read line
do
    case $line in
        *bbbbbbbb*) flag=1 ;;
        *dddddddd*) flag=0 ;;
        *cccccccc*) [[ $flag -eq 1 ]] && echo "Found this --> $line" ;;
    esac
done < file1