`#!/bin/sh
case "$TERM" in
xterm* | screen ) head="" ;;

• ) head="xterm -e" ;;
  esac
  for args in $@
  do
  fname=$(readlink -f "$args")
  bname=$(basename "$fname")
  dname=$(dirname "$fname")
  dest1st=${bname%.*}
  dest2nd=${dest1st%.*}
  destdir=${dest1st}
  case "$bname" in
  .tar.gz | .tar.bz2 ) destdir=${dest2nd} ;;
  esac
  if [ ! -w "$dname" ]; then
  $head "echo Permission denied && sleep 2"
  exit 1
  elif [ -d "$dname/$destdir" ]; then
  $head "echo Directory already exists && sleep 2"
  exit 1
  else
  cd "$dname"
  mkdir "$destdir"
  cd "$destdir"
  case "$bname" in
  .tar.bz2 | .tbz | .tb2 | .tbz2) $head tar xvjf "$fname" ;;
  .tar.gz | .tgz) $head tar xvzf "$fname" ;;
• ) $head 7z x "$fname" ;;
  esac
  fi
  cd "$dname"
  done
  exit 0`