fat jar creation script. hadoop classpath | ./fatjar.sh hadoop-fat.jar

fatjar.sh

#!/bin/bash

jso_file=$1
read classpath

TMPDIR=$(mktemp -d -t classes-XXXXXX)

#echo jso: $jso_file
#echo classpath: $classpath

if [ "$CLASSPATH" == "" ] 
then
  CLASSPATH=./target/hadoop-jso-*.jar
fi

cp=(${classpath//:/ })
for path in "${cp[@]}"
do
  if [ -f $path ]
  then
    extension="${path##*.}" 
    if [ "$extension" == "jar" ] 
    then 
      jars[$[${#jars[@]}+1]]=$path
    fi
  fi
done

pushd $TMPDIR;
mkdir classes; 
pushd classes;
echo ${jars[@]} | xargs -P 8 -n 1 jar xf;
jar -c0f ../fat.jar .
popd;
popd;

mv -v $TMPDIR/fat.jar $jso_file
rm -r $TMPDIR
#jar -c0vf $jso_file -C classes/ .
#exec java -classpath $CLASSPATH org.apache.hadoop.jso.tool.Linker $jso_file ${jars[@]}