#!/bin/bash

dir=$1

dir1=""

for file in `find $dir -type f`

do

   dir2=${file%/*}

   name=${file%.*}

   name1=${name%.*}

   cd $dir2

   gunzip $file

   if [ -z "$dir1" -o "$dir1" != "$dir2" ];then

      gzip -c "$name" > "$name1".gz

      rm -rf "$name"

      dir1="$dir2"

   else

      gzip -c "$name" >> "$name1".gz

      rm -rf "$name"

   fi

done