fij

#!/bin/sh

# fij - Find In Jars

if [ "$#" == "0" ]; then
	echo Find In Jars
	echo
	echo usage: fij searchstring [jarfile [jarfile ...]]
	echo if no jarfile arguments are given, program will
	echo search all jar files found beneath the current directory.
	echo
	echo e.g. fij com.example.Example lib/file1.jar lib/file2.jar
	exit 1
fi

searchstring=$1
shift

find_in_jar () {
	unzip -l "$1" | grep -q $searchstring
	if [[ $? -eq 0 ]]; then
	  echo $1
	fi
}

if [[ -n $1 ]]; then
	while [[ -n $1 ]]; do
		find_in_jar "$1"
		shift
	done
else
    find . -name \*.jar | while read file; do
    	find_in_jar "$file"
    done
fi