#! /bin/bash

extract() {
  if [ -f "$1" ]; then
    case "$1" in
    *.tar.bz2)
      command -v tar >/dev/null || sudo apt install -y tar
      tar xjvf "$1"
      ;;
    *.tar.gz)
      command -v tar >/dev/null || sudo apt install -y tar
      tar xzvf "$1"
      ;;
    *.bz2)
      command -v bunzip2 >/dev/null || sudo apt install -y bzip2
      bunzip2 "$1"
      ;;
    *.rar)
      command -v unrar >/dev/null || sudo apt install -y unrar
      unrar e "$1"
      ;;
    *.gz)
      command -v gunzip >/dev/null || sudo apt install -y gzip
      gunzip "$1"
      ;;
    *.tar)
      command -v tar >/dev/null || sudo apt install -y tar
      tar xf "$1"
      ;;
    *.tbz2)
      command -v tar >/dev/null || sudo apt install -y tar
      tar xjf "$1"
      ;;
    *.tgz)
      command -v tar >/dev/null || sudo apt install -y tar
      tar xzf "$1"
      ;;
    *.zip)
      command -v unzip >/dev/null || sudo apt install -y unzip
      unzip "$1"
      ;;
    *.Z)
      command -v uncompress >/dev/null || sudo apt install -y ncompress
      uncompress "$1"
      ;;
    *.7z)
      command -v 7z >/dev/null || sudo apt install -y p7zip
      7z x "$1"
      ;;
    *)
      echo "'$1' cannot be extracted via extract()"
      ;;
    esac
  else
    echo "'$1' is not a valid file"
  fi
}