Extract JDK.exe into a portable folder (cygwin/windows)

extract-jdk.sh

#!/bin/bash

if [[ $# -ne 1 ]]; then
  echo "usage: $0 <jdk.exe>"
  echo "result will be in ./jdk"
  exit 1
fi

JDK_EXE=$1
cabextract "$JDK_EXE" -d jdk_extract
cd jdk_extract
unzip tools.zip -d tools/

mv COPYRIGHT tools
mv src.zip tools

cd tools
find . -type f \( -name "*.exe" -o -name "*.dll" \) -exec chmod u+rwx {} \;
find . -type f -name "*.pack" | while read eachFile; do
  echo "Unpacking $eachFile ...";
  ./bin/unpack200.exe $eachFile ${eachFile%.pack}.jar;
  rm $eachFile;
done

cd ..
mv tools ../jdk
cd ..
rm -rf jdk_extract

exit 0