fix arabic subtitles

fixarbicsubtitle.sh

#!bin/bash
dir_name=$1
current_dir=$(pwd)
if [ ! -d $dir_name ];then
  echo "not a directory"
  exit 1
fi
function change_encoding ()
{
  cd $dir_name
  files=$( ls ./*.srt )
  files_arr=(${files//'\n'/ })
  for subtitle_file in "${files_arr[@]}"; do
    echo $(iconv -f WINDOWS-1256 -t UTF-8 "$subtitle_file" ) > "$subtitle_file"
  done
  cd $current_dir
}
change_encoding
echo "covertion completed"
exit 0