oh-my-zsh/plugins/extract/extract.plugin.zsh

# ------------------------------------------------------------------------------
#          FILE:  extract.plugin.zsh
#   DESCRIPTION:  oh-my-zsh plugin file.
#        AUTHOR:  Sorin Ionescu (sorin.ionescu@gmail.com)
#       VERSION:  1.0.1
# ------------------------------------------------------------------------------


function extract() {
  local remove_archive
  local success
  local file_name
  local extract_dir

  if (( $# == 0 )); then
    echo "Usage: extract [-option] [file ...]"
    echo
    echo Options:
    echo "    -r, --remove    Remove archive."
    echo
    echo "Report bugs to <sorin.ionescu@gmail.com>."
  fi

  remove_archive=1
  if [[ "$1" == "-r" ]] || [[ "$1" == "--remove" ]]; then
    remove_archive=0 
    shift
  fi

  while (( $# > 0 )); do
    if [[ ! -f "$1" ]]; then
      echo "extract: '$1' is not a valid file" 1>&2
      shift
      continue
    fi

    success=0
    file_name="$( basename "$1" )"
    extract_dir="$( echo "$file_name" | sed "s/\.${1##*.}//g" )"
    case "$1" in
      (*.tar.gz|*.tgz) tar xvzf "$1" ;;
      (*.tar.bz2|*.tbz|*.tbz2) tar xvjf "$1" ;;
      (*.tar.xz|*.txz) tar --xz --help &> /dev/null \
        && tar --xz -xvf "$1" \
        || xzcat "$1" | tar xvf - ;;
      (*.tar.zma|*.tlz) tar --lzma --help &> /dev/null \
        && tar --lzma -xvf "$1" \
        || lzcat "$1" | tar xvf - ;;
      (*.tar) tar xvf "$1" ;;
      (*.gz) gunzip "$1" ;;
      (*.bz2) bunzip2 "$1" ;;
      (*.xz) unxz "$1" ;;
      (*.lzma) unlzma "$1" ;;
      (*.Z) uncompress "$1" ;;
      (*.zip) unzip "$1" -d $extract_dir ;;
      (*.rar) unrar e -ad "$1" ;;
      (*.7z) 7za x "$1" ;;
      (*.deb)
        mkdir -p "$extract_dir/control"
        mkdir -p "$extract_dir/data"
        cd "$extract_dir"; ar vx "../${1}" > /dev/null
        cd control; tar xzvf ../control.tar.gz
        cd ../data; tar xzvf ../data.tar.gz
        cd ..; rm *.tar.gz debian-binary
        cd ..
      ;;
      (*) 
        echo "extract: '$1' cannot be extracted" 1>&2
        success=1 
      ;; 
    esac

    (( success = $success > 0 ? $success : $? ))
    (( $success == 0 )) && (( $remove_archive == 0 )) && rm "$1"
    shift
  done
}

alias x=extract