#echo Loading funktion use ...
export TITEL="@`hostname`"
function use()
{
  pl=''
  for i in /paket /opt /local /usr /usr/local ; do
    if [ -d ${i}/${1}/ ]; then
     pl=$i
     break;
    fi
  done
  if [ -z "$pl" ]; then 
    echo "Paket $1 nicht gefunden " 1>&2
    return
  fi
  TITEL="+${1}$TITEL"
  uinfo=`id`
  uid=`expr "$uinfo" : 'uid=\([0-9]*\).*'`
  if [ $uid == 0 ]; then
	echo "Superuser"
  fi
  if [ -f /${pl}/${1}/etc/umgebung ]; then
    echo "Lade ${pl}/${1}/etc/umgebung "
    . ${pl}/${1}/etc/umgebung
  else
    echo "keine ${pl}/${1}/etc/umgebung zu setzen "
    if [ $uid == 0 ]; then
       export PATH=${pl}/${1}/bin:/${pl}/${1}/sbin:$PATH
    else
       export PATH=${pl}/${1}/bin:$PATH
    fi
    export LD_LIBRARY_PATH=${pl}/${1}/lib:$LD_LIBRARY_PATH
    export MANPATH=${pl}/${1}/man:$MANPATH
    export INFODIR=${pl}/${1}/info:$INFODIR
    export INFOPATH=${pl}/${1}/info:$INFOPATH
  fi
  echo PATH=$PATH
  echo LD_LIBRARY_PATH=$LD_LIBRARY_PATH
  echo MANPATH=$MANPATH
  echo INFODIR=$INFODIR
  echo INFOPATH=$INFOPATH
}
#
function fenster()
{
   xterm -T $TITEL &
}
#
function saveenv
{
  echo "export PATH=$PATH"
  echo "export LD_LIBRARY_PATH=$LD_LIBRARY_PATH"
  echo "export MANPATH=$MANPATH"
}
#
function resetumg
{
  echo "Setze Normale umgebung ..."
  export PATH=/usr/bin:/bin
  export LD_LIBRARY_PATH=''
  export MANPATH=/usr/man
}
export -f use saveenv resetumg