#!/bin/bash

function archive
{
  usage() 
  { 
    cat << EOF
    Usege: archive [OPTION] archive

    Extract archives or compress directories/file

    Opcje:
      -e      extract		<path/file_name>.<zip|rar|bz2|gz|tar|tbz2|tgz|Z|7z|xz|ex|tar.bz2|tar.gz|tar.xz>
      -c      compress		path to directory
      -h      display help
EOF
  }
  
  local OPTIND
  local extract=''
  local compress=''
  
  _extract() 
  {
    case "$1" in
      *.tar.bz2)   tar xvjf "$1"    ;;
      *.tar.gz)    tar xvzf "$1"    ;;
      *.tar.xz)    tar xvJf "$1"    ;;
      *.lzma)      unlzma "$1"      ;;
      *.bz2)       bunzip2 "$1"     ;;
      *.rar)       unrar x -ad "$1" ;;
      *.gz)        gunzip "$1"      ;;
      *.tar)       tar xvf "$1"     ;;
      *.tbz2)      tar xvjf "$1"    ;;
      *.tgz)       tar xvzf "$1"    ;;
      *.zip)       unzip "$1"       ;;
      *.Z)         uncompress "$1"  ;;
      *.7z)        7z x "$1"        ;;
      *.xz)        unxz "$1"        ;;
      *.exe)       cabextract "$1"  ;;
      *)           echo "extract: '$1' - unknown archive method" ;;
    esac
  }
  
  _compress()
  {
    
  }

  while getopts e:c:h OPTION
  do
    case $OPTION in
	e)
	  extract=$OPTARG
	  ;;
	c)
	  compress=$OPTARG
	  ;;
	h)
	  usage
	  ;;
	?)
	  usage
	  ;;
    esac
  done
  
  if [ -n "$extract" ]
  then
    if  [ -f $extract ] ; then
      _extract $extract
    else
      echo "$extract is not a file"
    fi
  fi
  
  if [ -n "$compress" ]
  then
    if [ -f $compress ] ; then
      _compress $compress
    else
      echo "$compress is not a file"
    fi
  fi
}