Script for changing linux file permissions in a directory

script.sh

#!/bin/bash

echo "Changing permissions..."

for entry in "$search_dir"./*
do
  if [[ "$entry" == *.sh ]]; then
    continue
  elif [[ -d $entry ]]; then
    chmod 755 $entry
  elif [[ -f $entry ]]; then
    chmod 644 $entry
  fi
done

echo "...Done!"