gistfile1.txt

rm -rf repacked unpacked
mkdir repacked &> /dev/null
mkdir -p unpacked &> /dev/null

for f in $(ls *.gz)
do
  newfn=$(echo $f | perl -ne "print /(.+).tar.gz/")
  #newdir=$(pwd)/unpacked/$newfn
  #mkdir -p $newdir &> /dev/null
  tar xvf $f -C unpacked
  mv unpacked/${newfn}_submit unpacked/$newfn
done

for f in $(ls unpacked)
do
  if [ -d "unpacked/$f" ]; then
    tar cvf "$(pwd)/repacked/$f.tar.gz" -C "unpacked" "$f"
  fi
done