Script for decompiling a jar file using JAD.

java_decompile.sh

#!/bin/sh
# Decompile a jar file and create a compressed
# file with the sources.
# The [JAD decompiler](http://varaneckas.com/jad/)
# is used.

if [ $# -eq 0 ]; then
    echo "Usage: $0 [jar]"
    exit 1
fi

JAR=$1

unzip -d $JAR.jad_src $JAR

cd $JAR.jad_src
for f in `find . -name '*.class'`; do
    jad -d $(dirname $f) -s java -lnc $f
done
cd -

# Tar and compress it to a file
tar cvf $JAR.jad_src.tar $JAR.jad_src
bzip2 -9 $JAR.jad_src.tar