Shell Programming and Scripting

    #!/usr/bin/ruby

# usage xbox_prep.rb DIRECTORY_NAME

DirName = ARGV[0]
file_name = ""          # name of the file to be checked
old_full_path = ""      # name and path of the file to be checked
new_full_path = ""      # new name and path of the file (modified if necessary)
basename = ""           # basename of the file
extension = ""          # extension of the file to be checked


if DirName == nil
        puts "usage:"
        puts ""
        puts "xbox_prep.rb DIRECTORY_NAME"
        puts ""
else

Dir.foreach(DirName){
        |file_name|
        if file_name != "." and file_name !=".."
         old_full_path = DirName + "/" + file_name
         basename = File.basename(old_full_path, ".*")
         extension = File.extname(old_full_path)


         # Modify the basename if neccessary
         basename.slice!(38,128)                        # shorten basename to 38 chars
         basename.gsub!(/[<>=?:;"*+,|]/,'_')            # Remove invalid characters

         # rename the file
         new_full_path = DirName + "/" + basename + extension
         File.rename(old_full_path, new_full_path)
         puts basename + extension

        end
}

end

rename_seq ()
{
  seq=1
  oldname="$1"
  newname="$2"
  ext="$3"
  while [ -e "$newname$(printf "%02d" $seq).$ext" ]; do
    (( seq ++ ))
  done
  mv "$oldname.$ext" "$newname$(printf "%02d" $seq).$ext"
}

ls | while read name; do
  ext="${name##*.}"
  name="${name%.*}"
  newname="${name//[<>=?:;\"*+,|]/_}"
  newname="${newname:0:38}"
  if [ -e "${newname}.$ext" ]; then
    rename_seq "$newname" "$newname" "$ext"
  fi
  if [ -e "${newname}"??".$ext" ]; then
    rename_seq "$name" "$newname" "$ext"
  else
    mv "$name.$ext" "$newname.$ext"
  fi
done

#! /bin/bash
i
# rename function

rename_seq ()
{
  seq=1
  oldname="$1"
  newname="$2"
  ext="$3"
  subpath="$4"
  while [ -e "$newname$(printf "%02d" $seq).$ext" ]; do
    (( seq ++ ))
  done
  mv "$subpath/$oldname.$ext" "$subpath/$newname$(printf "%02d" $seq).$ext"
}

BASE=/home/music/ARTIST_NAME/ALBUM
cd $BASE

# Rename filename first

find . -type f -print | while read name; do
  name=${name##*/}
  subpath=${name%/*}
  ext="${name##*.}"
  name="${name%.*}"
  newname="${name//[<>=?:;\"*+,|]/_}"
  newname="${newname:0:38}"
  if [ -e "${newname}.$ext" ]; then
    rename_seq "$newname" "$newname" "$ext" "$subpath"
  fi
  if [ -e "${newname}"??".$ext" ]; then
    rename_seq "$name" "$newname" "$ext" "$subpath"
  else
    mv "$subpath/$name.$ext" "$subpath/$newname.$ext"
  fi
done

# Rename directories' name

find . type d -print |while read Dname; do
  newDname="${Dname//[<>=?:;\"*+,|]/_}"
  mv "Dname" "newDname"
done

newname="${name//[[:punct:]]/_}"