Bash script for recursive utf-8 byte order mark removal

removeBOM.sh

#!/bin/bash

# Recursive utf-8 byte order mark removal
# https://en.wikipedia.org/wiki/Byte_order_mark#Byte_order_marks_by_encoding
# Place this file in the root of your site, add execute permission and run
# Converts *.php, *.html, *.css, *.js files.
# To add file type by extension, e.g. *.cgi, add '-o -name "*.cgi"' to the find command

find ./ -name "*.php" -o -name "*.html" -o -name "*.css" -o -name "*.js" -o -name "*.sass" -type f |
while read file
do
  echo " $file"
  mv $file $file.tmp
  awk 'NR==1{sub(/^\xef\xbb\xbf/,"")}{print}' $file.tmp > $file
  rm -rf $file.tmp
done