I want to get list of jars which are not having a particular string in their classes. I used the following command for getting string "hello" matching jars.
find . -iname '*.jar' -printf "unzip -c %p | grep -q 'hello' && echo %pn" | sh. So I tried by putting the following command for not getting "hello" matched jars, which is not working.
find . -iname '*.jar' -printf "unzip -c %p |!( grep -q 'hello') && echo %pn" | sh