Extracts a RAR file after confirmation into it's own named directory in the current directory, and asks to remove the archive

extract_rar.bash

#!/bin/bash
#
#  extract_rar.bash
#  Extracts a RAR file after confirmation into it's own named directory
#  in the current directory, and asks to remove the archive
#
#  Copyright (C) 2012 Ben Arnold
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  Visit http://www.gnu.org/licenses for the GNU General Public License.

OLDIFS=$IFS
IFS=$(echo -en "\n\b")
USERNAME=`whoami`
RARPATH="/home/$USERNAME/Downloads"
RAREXT="rar"

for RAR in `ls -1 $RARPATH/*.rar` ; do
  echo
  echo "File: $RAR"

  NAME="`echo "$RAR" | sed "s#$RARPATH/##g" | sed "s#\.$RAREXT##g"`"
  echo "Dir: $NAME"

  unrar l "$RAR"
  echo ; echo -n "Extract the above files to \"$NAME\" ? (y/n) "
  read year

  if [[ -n "$year" && ( "$year" == "y" || "$year" == "Y" ) ]] ; then
    mkdir "$NAME"
    cd "$NAME"
    echo "PWD: $PWD"

    unrar e "$RAR"

    echo ; echo -n "Rename the above files from $RAR ? (y/n) "
    read rename
    if [[ -n "$rename" && ( "$rename" == "y" || "$rename" == "Y" ) ]] ; then
      NEWIFS=$IFS
      IFS=$OLDIFS
      bash ../../number_files.bash && echo "Completed."
      IFS=$NEWIFS
    else
      echo "Skipping."
    fi

    cd ..

    echo ; echo -n "Remove $RAR ? (y/n) "
    read remove
    if [[ -n "$remove" && ( "$remove" == "y" || "$remove" == "Y" ) ]] ; then
      rm $RAR && echo "Removed."
    else
      echo "Skipping."
    fi

  else
    echo "Skipping."
  fi
done

IFS=$OLDIFS