Unzipping .gz files recursively in a directory...

gz.sh

#!/bin/bash

red=$'\e[1;31m'
grn=$'\e[1;32m'
yel=$'\e[1;33m'
blu=$'\e[1;34m'
mag=$'\e[1;35m'
cyn=$'\e[1;36m'
end=$'\e[0m'


base_data_path=$PWD'/April_2019/*'
output_path=$PWD'/output'
WORKDIR=$PWD

unzip_folder(){
  printf "%s\n" "${red}Unzipping...${end}"
  for dir in $base_data_path; do
    echo  "$(basename "$dir")"

    for file in $dir/*.gz; do
      STEM=$(basename "${file}" .gz)
      echo 'path to file '$base_data_path/$filex
      echo "$output_path/$STEM"

      gunzip -c < "$file" > "$output_path/$STEM" -f
    done

  done
  printf "%s\n" "${blu}Unzipping Completed...${end}\n${red}OUTPUT PATH:${end} ${grn}$output_path${end}"
}


if [ -d $output_path ];
then
  rm -rf $output_path
  mkdir $output_path
  unzip_folder
else
  echo "$output_path"
  mkdir $output_path
  unzip_folder
fi