Looks for class inside JARs/WARs/EARs/SARs

findclass.sh

#!/bin/bash
DIRECTORY=$1 
CLASS_NAME=$2
find $DIRECTORY -name '*.[jwes]ar' | while read LINE; do 
    grep -q $CLASS_NAME "$LINE"; 
    if [ $? -eq 0 ]; then 
        REFERENCES=$(jar tvf "$LINE" | grep $CLASS_NAME); 
        if [ -n "$REFERENCES" ]; then 
            echo "$LINE"; 
            echo "$REFERENCES"; 
            echo; 
        fi; 
    fi; 
done