Find and replace in JARs

finAndReplaceInJars.sh

#!/bin/sh

# From within a (bash) script you need to use double quotes instead of singel qoutes to expand the variable
newAddress="org.springframework.cloud.contract.verifier.dsl"
oldAddress="org.springframework.cloud.contract.spec"
repo="$HOME/repo/accurest"

currentDir=`pwd`

cd $repo

for fname in $(find "$repo" -regex '.*/src/test/resources/m2repo/.*.jar')
do
  echo "Found $fname"
  zipgrep -q $oldAddress $fname;
  result=$?
  echo "Result $result"
  if [ $? -eq 0 ]; then
     echo "Changing $fname since it matches the pattern"
     filename="${fname%.*}"
     unzip -qp $fname | sed -e 's#'$oldAddress'#'$newAddress'#g' > $filename
     zip $filename.jar $filename
     echo "Changed $fname's contents"
  fi
done

cd $currentDir