#!/bin/bash

if [ -z "$1" -o -z "$2" ]; then
    echo "Usage: $0 src dest"
    exit 1
fi

src="$1"
dest="$2"
mkdir -p "$dest"
dest="$(cd "$dest" && pwd)"

cd "$src"
find . -name '*.class' | while read line; do
    class="$(echo "$line"| sed -e 's|^\./||' -e 's|\.class$||' -e 's|/|.|g')"
    javap -private -c "$class" > "${dest}/${class}.txt"
done