<file bash jarsigner>
#!/bin/bash  
# Auto JarSigner  
# signs all jars in the current working directory  
# CC BY-NC-SA 2.0   
# http://creativecommons.org/licenses/by-nc-sa/2.0/  
# authors :  
## JB (http://www.mrhide.fr)  
  
if [ $# -ne 3 ]  
then  
  echo "${0}, signs all jars in the current working directory"  
  echo  
  echo "Usage :"  
  echo "  ${0} <key store> <store pass> <key alias>"  
  echo "  see http://wiki.plexinfo.net/index.php?title=How_to_sign_JAR_files"  
  exit 0  
fi  
  
for file in *.jar  
do  
  echo $file  
  if [ -w $file ]  
  then  
    test=`jarsigner -verify ${file} | grep verified`  
    if [ ${#test} -eq 0 ]  
    then  
      echo "  not signed ... signing"  
      jarsigner -keystore $1 -storepass $2 $file $3  
    else  
      echo "  already signed"  
    fi  
  fi  
done  
  
exit 0  
</file>